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Profit and Loss — formula, example and practice

Cost price, marked price and successive discounts — one formula family.

Content type: original worked example. Not labelled as a previous-year question.

Timed GK/quant mock Shortcuts CBSE Class 10 Maths 150 questions

Formula

Profit % = ((SP − CP)/CP) × 100 · SP = CP × (100 ± P%) / 100

Profit and loss compare selling price with cost price. Marked price and discount are a second layer on the same line.

What you should learn here

SSC CGL and CHSL like two-discount and dishonest-dealer questions. The dealer chapter is still profit-loss: false weight changes the effective CP.

If two discounts d1 and d2 are given, the single equivalent discount is d1 + d2 − (d1×d2)/100 . Do not add discounts as if they were simple interest.

Worked example

Question. An article is marked 40% above cost and sold at 10% discount. Find the profit percent.

Solution. Let CP = 100. MP = 140. SP = 140 × 0.90 = 126. Profit = 26%.

Common mistake. Taking discount on CP instead of MP, or using SP as the base for profit percent.

When to use the shortcut. Always pick a convenient CP (100 or 1000) unless the question already gives rupee values you must keep.

Related chapters and tests

Percentage Ratio and Proportion Average All formulas SSC GD mocks SSC CGL mocks

150 important Profit and Loss questions

Original arithmetic practice for this page. Not labelled as previous-year SSC/railway items. Tap an option to mark it. Open “Answer” for the working.

Q. 1लाभ-हानि

CP = ₹80, profit = 10%. SP is

Answer / solution

Correct option: B

SP = CP×(100+P)/100 = 88.

Q. 2लाभ-हानि

CP = ₹100, loss = 15%. SP is

Answer / solution

Correct option: B

SP = CP×(100−L)/100 = 85.

Q. 3लाभ-हानि

CP = ₹120, SP = ₹160. Profit % is

Answer / solution

Correct option: D

Profit% = (160−120)/120×100 = 33%.

Q. 4लाभ-हानि

MP = ₹240, discount = 25%. SP is

Answer / solution

Correct option: A

SP = MP×(100−d)/100 = 180.

Q. 5लाभ-हानि

Two successive discounts 10% and 20% equal a single discount of

Answer / solution

Correct option: D

d1+d2−d1d2/100 = 28%.

Q. 6लाभ-हानि

CP = ₹180, profit = 35%. SP is

Answer / solution

Correct option: A

SP = CP×(100+P)/100 = 243.

Q. 7लाभ-हानि

CP = ₹200, loss = 10%. SP is

Answer / solution

Correct option: A

SP = CP×(100−L)/100 = 180.

Q. 8लाभ-हानि

CP = ₹220, SP = ₹250. Profit % is

Answer / solution

Correct option: C

Profit% = (250−220)/220×100 = 13%.

Q. 9लाभ-हानि

MP = ₹340, discount = 10%. SP is

Answer / solution

Correct option: B

SP = MP×(100−d)/100 = 306.

Q. 10लाभ-हानि

Two successive discounts 10% and 10% equal a single discount of

Answer / solution

Correct option: D

d1+d2−d1d2/100 = 19%.

Q. 11लाभ-हानि

CP = ₹280, profit = 20%. SP is

Answer / solution

Correct option: D

SP = CP×(100+P)/100 = 336.

Q. 12लाभ-हानि

CP = ₹300, loss = 35%. SP is

Answer / solution

Correct option: C

SP = CP×(100−L)/100 = 195.

Q. 13लाभ-हानि

CP = ₹320, SP = ₹340. Profit % is

Answer / solution

Correct option: B

Profit% = (340−320)/320×100 = 6%.

Q. 14लाभ-हानि

MP = ₹440, discount = 15%. SP is

Answer / solution

Correct option: C

SP = MP×(100−d)/100 = 374.

Q. 15लाभ-हानि

Two successive discounts 10% and 30% equal a single discount of

Answer / solution

Correct option: D

d1+d2−d1d2/100 = 37%.

Q. 16लाभ-हानि

CP = ₹380, profit = 45%. SP is

Answer / solution

Correct option: C

SP = CP×(100+P)/100 = 551.

Q. 17लाभ-हानि

CP = ₹80, loss = 30%. SP is

Answer / solution

Correct option: C

SP = CP×(100−L)/100 = 56.

Q. 18लाभ-हानि

CP = ₹100, SP = ₹170. Profit % is

Answer / solution

Correct option: B

Profit% = (170−100)/100×100 = 70%.

Q. 19लाभ-हानि

MP = ₹220, discount = 20%. SP is

Answer / solution

Correct option: D

SP = MP×(100−d)/100 = 176.

Q. 20लाभ-हानि

Two successive discounts 10% and 20% equal a single discount of

Answer / solution

Correct option: D

d1+d2−d1d2/100 = 28%.

Q. 21लाभ-हानि

CP = ₹160, profit = 30%. SP is

Answer / solution

Correct option: B

SP = CP×(100+P)/100 = 208.

Q. 22लाभ-हानि

CP = ₹180, loss = 25%. SP is

Answer / solution

Correct option: C

SP = CP×(100−L)/100 = 135.

Q. 23लाभ-हानि

CP = ₹200, SP = ₹260. Profit % is

Answer / solution

Correct option: D

Profit% = (260−200)/200×100 = 30%.

Q. 24लाभ-हानि

MP = ₹320, discount = 25%. SP is

Answer / solution

Correct option: D

SP = MP×(100−d)/100 = 240.

Q. 25लाभ-हानि

Two successive discounts 10% and 10% equal a single discount of

Answer / solution

Correct option: D

d1+d2−d1d2/100 = 19%.

Q. 26लाभ-हानि

CP = ₹260, profit = 15%. SP is

Answer / solution

Correct option: D

SP = CP×(100+P)/100 = 299.

Q. 27लाभ-हानि

CP = ₹280, loss = 20%. SP is

Answer / solution

Correct option: D

SP = CP×(100−L)/100 = 224.

Q. 28लाभ-हानि

CP = ₹300, SP = ₹350. Profit % is

Answer / solution

Correct option: D

Profit% = (350−300)/300×100 = 16%.

Q. 29लाभ-हानि

MP = ₹420, discount = 10%. SP is

Answer / solution

Correct option: B

SP = MP×(100−d)/100 = 378.

Q. 30लाभ-हानि

Two successive discounts 10% and 30% equal a single discount of

Answer / solution

Correct option: D

d1+d2−d1d2/100 = 37%.

Q. 31लाभ-हानि

CP = ₹360, profit = 40%. SP is

Answer / solution

Correct option: D

SP = CP×(100+P)/100 = 504.

Q. 32लाभ-हानि

CP = ₹380, loss = 15%. SP is

Answer / solution

Correct option: D

SP = CP×(100−L)/100 = 323.

Q. 33लाभ-हानि

CP = ₹80, SP = ₹120. Profit % is

Answer / solution

Correct option: B

Profit% = (120−80)/80×100 = 50%.

Q. 34लाभ-हानि

MP = ₹200, discount = 15%. SP is

Answer / solution

Correct option: A

SP = MP×(100−d)/100 = 170.

Q. 35लाभ-हानि

Two successive discounts 10% and 20% equal a single discount of

Answer / solution

Correct option: D

d1+d2−d1d2/100 = 28%.

Q. 36लाभ-हानि

CP = ₹140, profit = 25%. SP is

Answer / solution

Correct option: B

SP = CP×(100+P)/100 = 175.

Q. 37लाभ-हानि

CP = ₹160, loss = 10%. SP is

Answer / solution

Correct option: C

SP = CP×(100−L)/100 = 144.

Q. 38लाभ-हानि

CP = ₹180, SP = ₹210. Profit % is

Answer / solution

Correct option: B

Profit% = (210−180)/180×100 = 16%.

Q. 39लाभ-हानि

MP = ₹300, discount = 20%. SP is

Answer / solution

Correct option: B

SP = MP×(100−d)/100 = 240.

Q. 40लाभ-हानि

Two successive discounts 10% and 10% equal a single discount of

Answer / solution

Correct option: D

d1+d2−d1d2/100 = 19%.

Q. 41लाभ-हानि

CP = ₹240, profit = 10%. SP is

Answer / solution

Correct option: B

SP = CP×(100+P)/100 = 264.

Q. 42लाभ-हानि

CP = ₹260, loss = 35%. SP is

Answer / solution

Correct option: A

SP = CP×(100−L)/100 = 169.

Q. 43लाभ-हानि

CP = ₹280, SP = ₹300. Profit % is

Answer / solution

Correct option: C

Profit% = (300−280)/280×100 = 7%.

Q. 44लाभ-हानि

MP = ₹400, discount = 25%. SP is

Answer / solution

Correct option: C

SP = MP×(100−d)/100 = 300.

Q. 45लाभ-हानि

Two successive discounts 10% and 30% equal a single discount of

Answer / solution

Correct option: D

d1+d2−d1d2/100 = 37%.

Q. 46लाभ-हानि

CP = ₹340, profit = 35%. SP is

Answer / solution

Correct option: C

SP = CP×(100+P)/100 = 459.

Q. 47लाभ-हानि

CP = ₹360, loss = 30%. SP is

Answer / solution

Correct option: B

SP = CP×(100−L)/100 = 252.

Q. 48लाभ-हानि

CP = ₹380, SP = ₹450. Profit % is

Answer / solution

Correct option: A

Profit% = (450−380)/380×100 = 18%.

Q. 49लाभ-हानि

MP = ₹180, discount = 10%. SP is

Answer / solution

Correct option: A

SP = MP×(100−d)/100 = 162.

Q. 50लाभ-हानि

Two successive discounts 10% and 20% equal a single discount of

Answer / solution

Correct option: D

d1+d2−d1d2/100 = 28%.

Q. 51लाभ-हानि

CP = ₹120, profit = 20%. SP is

Answer / solution

Correct option: C

SP = CP×(100+P)/100 = 144.

Q. 52लाभ-हानि

CP = ₹140, loss = 25%. SP is

Answer / solution

Correct option: B

SP = CP×(100−L)/100 = 105.

Q. 53लाभ-हानि

CP = ₹160, SP = ₹220. Profit % is

Answer / solution

Correct option: A

Profit% = (220−160)/160×100 = 37%.

Q. 54लाभ-हानि

MP = ₹280, discount = 15%. SP is

Answer / solution

Correct option: B

SP = MP×(100−d)/100 = 238.

Q. 55लाभ-हानि

Two successive discounts 10% and 10% equal a single discount of

Answer / solution

Correct option: D

d1+d2−d1d2/100 = 19%.

Q. 56लाभ-हानि

CP = ₹220, profit = 45%. SP is

Answer / solution

Correct option: C

SP = CP×(100+P)/100 = 319.

Q. 57लाभ-हानि

CP = ₹240, loss = 20%. SP is

Answer / solution

Correct option: A

SP = CP×(100−L)/100 = 192.

Q. 58लाभ-हानि

CP = ₹260, SP = ₹310. Profit % is

Answer / solution

Correct option: A

Profit% = (310−260)/260×100 = 19%.

Q. 59लाभ-हानि

MP = ₹380, discount = 20%. SP is

Answer / solution

Correct option: A

SP = MP×(100−d)/100 = 304.

Q. 60लाभ-हानि

Two successive discounts 10% and 30% equal a single discount of

Answer / solution

Correct option: D

d1+d2−d1d2/100 = 37%.

Q. 61लाभ-हानि

CP = ₹320, profit = 30%. SP is

Answer / solution

Correct option: B

SP = CP×(100+P)/100 = 416.

Q. 62लाभ-हानि

CP = ₹340, loss = 15%. SP is

Answer / solution

Correct option: A

SP = CP×(100−L)/100 = 289.

Q. 63लाभ-हानि

CP = ₹360, SP = ₹400. Profit % is

Answer / solution

Correct option: D

Profit% = (400−360)/360×100 = 11%.

Q. 64लाभ-हानि

MP = ₹480, discount = 25%. SP is

Answer / solution

Correct option: D

SP = MP×(100−d)/100 = 360.

Q. 65लाभ-हानि

Two successive discounts 10% and 20% equal a single discount of

Answer / solution

Correct option: D

d1+d2−d1d2/100 = 28%.

Q. 66लाभ-हानि

CP = ₹100, profit = 15%. SP is

Answer / solution

Correct option: B

SP = CP×(100+P)/100 = 115.

Q. 67लाभ-हानि

CP = ₹120, loss = 10%. SP is

Answer / solution

Correct option: D

SP = CP×(100−L)/100 = 108.

Q. 68लाभ-हानि

CP = ₹140, SP = ₹170. Profit % is

Answer / solution

Correct option: B

Profit% = (170−140)/140×100 = 21%.

Q. 69लाभ-हानि

MP = ₹260, discount = 10%. SP is

Answer / solution

Correct option: D

SP = MP×(100−d)/100 = 234.

Q. 70लाभ-हानि

Two successive discounts 10% and 10% equal a single discount of

Answer / solution

Correct option: D

d1+d2−d1d2/100 = 19%.

Q. 71लाभ-हानि

CP = ₹200, profit = 40%. SP is

Answer / solution

Correct option: A

SP = CP×(100+P)/100 = 280.

Q. 72लाभ-हानि

CP = ₹220, loss = 35%. SP is

Answer / solution

Correct option: B

SP = CP×(100−L)/100 = 143.

Q. 73लाभ-हानि

CP = ₹240, SP = ₹260. Profit % is

Answer / solution

Correct option: D

Profit% = (260−240)/240×100 = 8%.

Q. 74लाभ-हानि

MP = ₹360, discount = 15%. SP is

Answer / solution

Correct option: D

SP = MP×(100−d)/100 = 306.

Q. 75लाभ-हानि

Two successive discounts 10% and 30% equal a single discount of

Answer / solution

Correct option: D

d1+d2−d1d2/100 = 37%.

Q. 76लाभ-हानि

CP = ₹300, profit = 25%. SP is

Answer / solution

Correct option: B

SP = CP×(100+P)/100 = 375.

Q. 77लाभ-हानि

CP = ₹320, loss = 30%. SP is

Answer / solution

Correct option: A

SP = CP×(100−L)/100 = 224.

Q. 78लाभ-हानि

CP = ₹340, SP = ₹410. Profit % is

Answer / solution

Correct option: B

Profit% = (410−340)/340×100 = 20%.

Q. 79लाभ-हानि

MP = ₹460, discount = 20%. SP is

Answer / solution

Correct option: B

SP = MP×(100−d)/100 = 368.

Q. 80लाभ-हानि

Two successive discounts 10% and 20% equal a single discount of

Answer / solution

Correct option: D

d1+d2−d1d2/100 = 28%.

Q. 81लाभ-हानि

CP = ₹80, profit = 10%. SP is

Answer / solution

Correct option: B

SP = CP×(100+P)/100 = 88.

Q. 82लाभ-हानि

CP = ₹100, loss = 25%. SP is

Answer / solution

Correct option: A

SP = CP×(100−L)/100 = 75.

Q. 83लाभ-हानि

CP = ₹120, SP = ₹180. Profit % is

Answer / solution

Correct option: A

Profit% = (180−120)/120×100 = 50%.

Q. 84लाभ-हानि

MP = ₹240, discount = 25%. SP is

Answer / solution

Correct option: A

SP = MP×(100−d)/100 = 180.

Q. 85लाभ-हानि

Two successive discounts 10% and 10% equal a single discount of

Answer / solution

Correct option: D

d1+d2−d1d2/100 = 19%.

Q. 86लाभ-हानि

CP = ₹180, profit = 35%. SP is

Answer / solution

Correct option: A

SP = CP×(100+P)/100 = 243.

Q. 87लाभ-हानि

CP = ₹200, loss = 20%. SP is

Answer / solution

Correct option: B

SP = CP×(100−L)/100 = 160.

Q. 88लाभ-हानि

CP = ₹220, SP = ₹270. Profit % is

Answer / solution

Correct option: B

Profit% = (270−220)/220×100 = 22%.

Q. 89लाभ-हानि

MP = ₹340, discount = 10%. SP is

Answer / solution

Correct option: B

SP = MP×(100−d)/100 = 306.

Q. 90लाभ-हानि

Two successive discounts 10% and 30% equal a single discount of

Answer / solution

Correct option: D

d1+d2−d1d2/100 = 37%.

Q. 91लाभ-हानि

CP = ₹280, profit = 20%. SP is

Answer / solution

Correct option: D

SP = CP×(100+P)/100 = 336.

Q. 92लाभ-हानि

CP = ₹300, loss = 15%. SP is

Answer / solution

Correct option: B

SP = CP×(100−L)/100 = 255.

Q. 93लाभ-हानि

CP = ₹320, SP = ₹360. Profit % is

Answer / solution

Correct option: C

Profit% = (360−320)/320×100 = 12%.

Q. 94लाभ-हानि

MP = ₹440, discount = 15%. SP is

Answer / solution

Correct option: C

SP = MP×(100−d)/100 = 374.

Q. 95लाभ-हानि

Two successive discounts 10% and 20% equal a single discount of

Answer / solution

Correct option: D

d1+d2−d1d2/100 = 28%.

Q. 96लाभ-हानि

CP = ₹380, profit = 45%. SP is

Answer / solution

Correct option: C

SP = CP×(100+P)/100 = 551.

Q. 97लाभ-हानि

CP = ₹80, loss = 10%. SP is

Answer / solution

Correct option: B

SP = CP×(100−L)/100 = 72.

Q. 98लाभ-हानि

CP = ₹100, SP = ₹130. Profit % is

Answer / solution

Correct option: A

Profit% = (130−100)/100×100 = 30%.

Q. 99लाभ-हानि

MP = ₹220, discount = 20%. SP is

Answer / solution

Correct option: D

SP = MP×(100−d)/100 = 176.

Q. 100लाभ-हानि

Two successive discounts 10% and 10% equal a single discount of

Answer / solution

Correct option: D

d1+d2−d1d2/100 = 19%.

Q. 101लाभ-हानि

CP = ₹160, profit = 30%. SP is

Answer / solution

Correct option: B

SP = CP×(100+P)/100 = 208.

Q. 102लाभ-हानि

CP = ₹180, loss = 35%. SP is

Answer / solution

Correct option: A

SP = CP×(100−L)/100 = 117.

Q. 103लाभ-हानि

CP = ₹200, SP = ₹220. Profit % is

Answer / solution

Correct option: C

Profit% = (220−200)/200×100 = 10%.

Q. 104लाभ-हानि

MP = ₹320, discount = 25%. SP is

Answer / solution

Correct option: D

SP = MP×(100−d)/100 = 240.

Q. 105लाभ-हानि

Two successive discounts 10% and 30% equal a single discount of

Answer / solution

Correct option: D

d1+d2−d1d2/100 = 37%.

Q. 106लाभ-हानि

CP = ₹260, profit = 15%. SP is

Answer / solution

Correct option: D

SP = CP×(100+P)/100 = 299.

Q. 107लाभ-हानि

CP = ₹280, loss = 30%. SP is

Answer / solution

Correct option: B

SP = CP×(100−L)/100 = 196.

Q. 108लाभ-हानि

CP = ₹300, SP = ₹370. Profit % is

Answer / solution

Correct option: A

Profit% = (370−300)/300×100 = 23%.

Q. 109लाभ-हानि

MP = ₹420, discount = 10%. SP is

Answer / solution

Correct option: B

SP = MP×(100−d)/100 = 378.

Q. 110लाभ-हानि

Two successive discounts 10% and 20% equal a single discount of

Answer / solution

Correct option: D

d1+d2−d1d2/100 = 28%.

Q. 111लाभ-हानि

CP = ₹360, profit = 40%. SP is

Answer / solution

Correct option: D

SP = CP×(100+P)/100 = 504.

Q. 112लाभ-हानि

CP = ₹380, loss = 25%. SP is

Answer / solution

Correct option: C

SP = CP×(100−L)/100 = 285.

Q. 113लाभ-हानि

CP = ₹80, SP = ₹140. Profit % is

Answer / solution

Correct option: D

Profit% = (140−80)/80×100 = 75%.

Q. 114लाभ-हानि

MP = ₹200, discount = 15%. SP is

Answer / solution

Correct option: A

SP = MP×(100−d)/100 = 170.

Q. 115लाभ-हानि

Two successive discounts 10% and 10% equal a single discount of

Answer / solution

Correct option: D

d1+d2−d1d2/100 = 19%.

Q. 116लाभ-हानि

CP = ₹140, profit = 25%. SP is

Answer / solution

Correct option: B

SP = CP×(100+P)/100 = 175.

Q. 117लाभ-हानि

CP = ₹160, loss = 20%. SP is

Answer / solution

Correct option: D

SP = CP×(100−L)/100 = 128.

Q. 118लाभ-हानि

CP = ₹180, SP = ₹230. Profit % is

Answer / solution

Correct option: C

Profit% = (230−180)/180×100 = 27%.

Q. 119लाभ-हानि

MP = ₹300, discount = 20%. SP is

Answer / solution

Correct option: B

SP = MP×(100−d)/100 = 240.

Q. 120लाभ-हानि

Two successive discounts 10% and 30% equal a single discount of

Answer / solution

Correct option: D

d1+d2−d1d2/100 = 37%.

Q. 121लाभ-हानि

CP = ₹240, profit = 10%. SP is

Answer / solution

Correct option: B

SP = CP×(100+P)/100 = 264.

Q. 122लाभ-हानि

CP = ₹260, loss = 15%. SP is

Answer / solution

Correct option: D

SP = CP×(100−L)/100 = 221.

Q. 123लाभ-हानि

CP = ₹280, SP = ₹320. Profit % is

Answer / solution

Correct option: B

Profit% = (320−280)/280×100 = 14%.

Q. 124लाभ-हानि

MP = ₹400, discount = 25%. SP is

Answer / solution

Correct option: C

SP = MP×(100−d)/100 = 300.

Q. 125लाभ-हानि

Two successive discounts 10% and 20% equal a single discount of

Answer / solution

Correct option: D

d1+d2−d1d2/100 = 28%.

Q. 126लाभ-हानि

CP = ₹340, profit = 35%. SP is

Answer / solution

Correct option: C

SP = CP×(100+P)/100 = 459.

Q. 127लाभ-हानि

CP = ₹360, loss = 10%. SP is

Answer / solution

Correct option: C

SP = CP×(100−L)/100 = 324.

Q. 128लाभ-हानि

CP = ₹380, SP = ₹410. Profit % is

Answer / solution

Correct option: B

Profit% = (410−380)/380×100 = 7%.

Q. 129लाभ-हानि

MP = ₹180, discount = 10%. SP is

Answer / solution

Correct option: A

SP = MP×(100−d)/100 = 162.

Q. 130लाभ-हानि

Two successive discounts 10% and 10% equal a single discount of

Answer / solution

Correct option: D

d1+d2−d1d2/100 = 19%.

Q. 131लाभ-हानि

CP = ₹120, profit = 20%. SP is

Answer / solution

Correct option: C

SP = CP×(100+P)/100 = 144.

Q. 132लाभ-हानि

CP = ₹140, loss = 35%. SP is

Answer / solution

Correct option: D

SP = CP×(100−L)/100 = 91.

Q. 133लाभ-हानि

CP = ₹160, SP = ₹180. Profit % is

Answer / solution

Correct option: A

Profit% = (180−160)/160×100 = 12%.

Q. 134लाभ-हानि

MP = ₹280, discount = 15%. SP is

Answer / solution

Correct option: B

SP = MP×(100−d)/100 = 238.

Q. 135लाभ-हानि

Two successive discounts 10% and 30% equal a single discount of

Answer / solution

Correct option: D

d1+d2−d1d2/100 = 37%.

Q. 136लाभ-हानि

CP = ₹220, profit = 45%. SP is

Answer / solution

Correct option: C

SP = CP×(100+P)/100 = 319.

Q. 137लाभ-हानि

CP = ₹240, loss = 30%. SP is

Answer / solution

Correct option: C

SP = CP×(100−L)/100 = 168.

Q. 138लाभ-हानि

CP = ₹260, SP = ₹330. Profit % is

Answer / solution

Correct option: D

Profit% = (330−260)/260×100 = 26%.

Q. 139लाभ-हानि

MP = ₹380, discount = 20%. SP is

Answer / solution

Correct option: A

SP = MP×(100−d)/100 = 304.

Q. 140लाभ-हानि

Two successive discounts 10% and 20% equal a single discount of

Answer / solution

Correct option: D

d1+d2−d1d2/100 = 28%.

Q. 141लाभ-हानि

CP = ₹320, profit = 30%. SP is

Answer / solution

Correct option: B

SP = CP×(100+P)/100 = 416.

Q. 142लाभ-हानि

CP = ₹340, loss = 25%. SP is

Answer / solution

Correct option: B

SP = CP×(100−L)/100 = 255.

Q. 143लाभ-हानि

CP = ₹360, SP = ₹420. Profit % is

Answer / solution

Correct option: A

Profit% = (420−360)/360×100 = 16%.

Q. 144लाभ-हानि

MP = ₹480, discount = 25%. SP is

Answer / solution

Correct option: D

SP = MP×(100−d)/100 = 360.

Q. 145लाभ-हानि

Two successive discounts 10% and 10% equal a single discount of

Answer / solution

Correct option: D

d1+d2−d1d2/100 = 19%.

Q. 146लाभ-हानि

CP = ₹100, profit = 15%. SP is

Answer / solution

Correct option: B

SP = CP×(100+P)/100 = 115.

Q. 147लाभ-हानि

CP = ₹120, loss = 20%. SP is

Answer / solution

Correct option: C

SP = CP×(100−L)/100 = 96.

Q. 148लाभ-हानि

CP = ₹140, SP = ₹190. Profit % is

Answer / solution

Correct option: C

Profit% = (190−140)/140×100 = 35%.

Q. 149लाभ-हानि

MP = ₹260, discount = 10%. SP is

Answer / solution

Correct option: D

SP = MP×(100−d)/100 = 234.

Q. 150लाभ-हानि

Two successive discounts 10% and 30% equal a single discount of

Answer / solution

Correct option: D

d1+d2−d1d2/100 = 37%.

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