591. 80 is what percent of 64?
A. 85%
B. 120%
C. 75%
D. 125%
E. None of these

Explanation
Let x percent of 64 be 80.
64 * x/100 = 80 => x = (80 * 100)/64 => x = 125
80 is 125% of 64.

592. 64 is what percent of 80?
A. 80%
B. 70%
C. 60%
D. 64%

Explanation:
Let x percent of 80 be 64.
80 * x/100 = 64 => x = (64 * 100)/80 => x = 80.
80% of 80 is 64.

593. What percent of 125 is 16?
A. 10 2/5%
B. 12 3/5%
C. 11 1/5%
D. None of these

Explanation:
Let the required percentage be x%.
x% of 125 = 16 => x/100 * 125 = 16
=> x = 1600/125 = 64/5 = 12 4/5

594. Find the 37.5% of 976 =_______?
A. 324
B. 388
C. 366
D. 372
E. None of these

Explanation:
37.5 % of 976
= 37.5/100 * 976 = 375/1000 * 976 = 3/8 * 976
= 3 * 122 = 366.

595. When 5% is lost in grinding wheat, a country has to import 20 million bags; but when only 2% is lost, it has to import only 15 million bags. Find the quantity of wheat, which grows in the country?
A. 133 1/3 m
B. 150 m
C. 106 2/3 m
D. 166 2/3 m

Explanation:
5% – 2% = 3%
3% —- 5
100% —- ? => 166 2/3

596. A person was asked to subtract 25% of a number from the original but he subtracted 25 from the number. His answer was 25 more than correct one. What was the original number?
A. 160
B. 180
C. 225
D. 200

Explanation
25 + 25 = 50
25% —— 50
100% —– ? => 200

597. In a school of 850 boys, 44% of Muslims, 28% Hindus, 10% Sikhs and the remaining of other communities. How many belonged to the other communities?
A. 173
B. 163
C. 153
D. 143

Explanation
44 + 28 + 10 = 82%
100 – 82 = 18%
850 * 18/100 = 153

598. A person spends 1/5th of his income on the education of his children, and 20% of the remaining on food. If he is left with Rs.576 find his income?
A. Rs.900
B. Rs.800
C. Rs.500
D. Rs.1000

Explanation
X * 4/5 * 80/100 = 576
X = 14400/16
X = 900

599. In an examination, 47% failed in English and 54% failed in Mathematics. Find the pass percentage in both the subjects if 31% failed in both the subjects?
A. 70%
B. 37%
C. 53%
D. 30%

600. The salary of a worker is first increased by 30% and afterwards reduced by 30%. What is net change in his salary?
A. 90% increase
B. 45% increase
C. 9% decrease
D. Same as before

Explanation:
(30 * 30)/100 = 9% decrease

NOTE
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