Profit and Loss - Aptitude Questions and Answers Part 2

6. Rajesh earns a profit of 30% in one deal but incurs a loss of 30% in the second while selling 2 cycles for Rs. 4000 each. Find his total profit or loss in both the deals together?

a. Profit = 18%
b. Loss = 18%
c. Profit = 9%
d. Loss = 9%

Answer: d. Loss = 9%

Explanation:

Tip:
Whenever a person has A% loss for one thing and A% profit for second thing, then if selling price is same, person will ALWAYS HAVE LOSS
And Loss =A2%
100


Loss =(30)2% = 9%
100


7. Shagufta bought almonds worth Rs. 48000. She sold 1/3rd of them at a loss of 30%. What profit should earn on the remaining so as to make it a no profit, no loss deal?

a. 15%
b. 30%
c. 45%
d. 50%

Answer: a. 15%

Explanation:

Here, there are 3 parts of the almonds.

To make up for the loss in Part1, Part 2 and Part 3 together should earn 30% profit.

Part 1Part 2 + Part 3
30% loss30% profit

But there are two parts in the second half, we should simply divide the 30% profit over these two parts
i.e.30%= 15%
2
So, to cover up for the loss, the profit, she should expect to make from the remaining supplies is 15%.


8. Rahim sold a computer to Salim at a profit of 25%. Salim incurred a loss of 15% when he sold the same computer to Shaunak. Rahim bought this computer for Rs. 50,000/-. At what price did Shaunak buy it?

a. Rs. 62,500
b. Rs. 63,500
c. Rs. 63,750
d. Rs. 75,000/-

Answer: c. Rs. 63,750

Explanation:

Tip:
If gain is A%, then Selling Price = (100+A)% of cost price


CP for Salim = SP for Rahim = (100+25)% of 60000 =125x 60000 = Rs. 75,000/-
100
CP for Shaunak = SP for Salim = (100-15)% of 75000 =85x 75000 = Rs. 63,750/-
100


9. A shopkeeper manipulated his weighing machine so that it shows 1kg when he is actually giving 960 grams. Find his profit percentage?

a. 40%
96
b. 0.3 %
c. 0.03%
d. 41%
6

Answer: a. 40%
96

Explanation:

1kg is shown as 960 gm. So 40gm are less.

Profit % =Profitx 100 =40x 100 = 41%
Cost Price i.e.  Actual value9606


10. Romit sold his old TV and earned profit of 10% . If he could have managed to sell it for Rs. 8100 more, his profit would have been be 37%. Find the price at which he bought the TV?

a. Rs. 30000
b. Rs. 41000
c. Rs. 44500
d. Rs. 55000

Answer: a. Rs. 30000

Explanation:

1st profit = 10%
If Romit sells TV for Rs. 8100 more, then profit = 37%
SP = (100 + Profit %) % of CP
∴ SP1 + 8100 = SP2
∴ (110) % CP + 8100 = (137) % CP
∴ 27% of CP = 8100

∴ CP =8100 x 100= Rs. 30000
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