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A shopkeeper cheats to the extent of 10% while buying and selling, by using false weights. His total gain is.

  • 20%
  • 21%
  • 22%
  • 23%

Answer: Option B

Explanation:

\begin{aligned}
Gain\% = \\ \left( \frac{(100 + \text{common gain}\%)^2}{100} - 100 \right)\% \\
= \left( \frac{(100 + 10)^2}{100} - 100 \right)\% \\
= \left( \frac{12100 - 10000}{100}\right)\% \\
= 21\%

\end{aligned}

Similar Questions :

1. If the cost price is 25% of selling price. Then what is the profit percent.

  • 150%
  • 200%
  • 300%
  • 350%

Answer: Option C

Explanation:

Let the S.P = 100
then C.P. = 25

Profit = 75

Profit% = 75/25 * 100 = 3005

2. Which among following options are true relating to this question :

Ram sold a card and makes 20% profit out of it, how much profit he actually earned ?

1. Difference between cost price of card and selling price of card is Rs. 40.
2. Selling price of card is 120% of cost price of card.

  • Either 1 and 2 are sufficient to answer
  • Either 1 and 2 are not sufficient to answer
  • 1 is sufficient to answer alone, 2 is not sufficient to answer
  • 2 is sufficient to answer alone, 1 is not sufficient to answer

Answer: Option C

Explanation:

From the question it is clear that, Gain is 20%
From 1, it is clear that S.P. - C.P. = 40, so it is sufficient to get answer.
While 2 is not sufficient to get answer.

3. If the cost price of 12 items is equal to the selling price of 16 items, the loss percent is

  • 20%
  • 25%
  • 30%
  • 35%

Answer: Option B

Explanation:

Let the Cost Price of 1 item = Re. 1
Cost Price of 16 items = 16
Selling Price of 16 items = 12

Loss = 16 - 12 = Rs 4

Loss % = (4/16)* 100 = 25%

4. A shopkeeper fixes the marked price of an item 35% above its cost price. The percentage of discount allowed to gain 8% is

  • 18%
  • 20%
  • 22%
  • 24%

Answer: Option B

Explanation:

Let the cost price = Rs 100
then, Marked price = Rs 135

Required gain = 8%,
So Selling price = Rs 108
Discount = 135 - 108 = 27

Discount% = (27/135)*100 = 20%

5. A plot is sold for Rs. 18,700 with a loss of 15%. At what price it should be sold to get profit of 15%.

  • Rs 25300
  • Rs 22300
  • Rs 24300
  • Rs 21300

Answer: Option A

Explanation:

This type of question can be easily and quickly solved as following:

Let at Rs x it can earn 15% pr0fit
85:18700 = 115:x [as, loss = 100 -15, Profit = 100 +15]

x = (18700*115)/85
= Rs.25300

Read more from - Profit and Loss Questions Answers
Post a comment

  • Amit Raina 8 years ago

    please solve this question . unable to get the formulla

  • pramay 12 years ago

    how come this formula

  • Amit 12 years ago

    How you arrived at this formula ?

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