Question 75

In questions 60 to 79, state whether the statements are True or False.
Sushma sold her watch for ₹ 3320 at a gain of ₹ 320. For earning a gain of 10 %, she should have sold the watch for ₹ 3300.

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Solution

True
Given that, SP = ₹ 3320 and profit = ₹ 320
CP = SP - Profit = 3320 - 320 = ₹ 3000
Now, for earning a profit of 10 %, we have to find new SP.
$∴ P r o f i t % = \frac{P r o f i t}{C P} \times 100 % = \frac{S P - C P}{C P} \times 100 % [∵ P r o f i t = S P - C P] 10 = \frac{S p - 3000}{3000} \times 100 300 = S P - 3000$

SP = ₹ 3300

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Question 75 In questions 60 to 79, state whether the statements are True or False. Sushma sold her watch for ₹ 3320 at a gain of ₹ 320. For earning a gain of 10 %, she should have sold the watch for ₹ 3300.

True Given that, SP = ₹ 3320 and profit = ₹ 320 CP = SP - Profit = 3320 - 320 = ₹ 3000 Now, for earning a profit of 10 %, we have to find new SP. ∴ Profit%=ProfitCP×100%=SP−CPCP×100% [∵Profit=SP−CP]10=Sp−30003000×100300=SP−3000 SP = ₹ 3300

Question 75

In questions 60 to 79, state whether the statements are True or False.
Sushma sold her watch for ₹ 3320 at a gain of ₹ 320. For earning a gain of 10 %, she should have sold the watch for ₹ 3300.