Practice MCQ Questions and Answer on Percentage
81.
If the length of a rectangle is increased by 12% and the breadth is decreased by 8%, the net effect on the area is:
- (A) increase by 3.04%
- (B) increase by 2.6%
- (C) decrease by 3.04%
- (D) decrease by 2.6%
82.
Half percent, written as a decimal, is
- (A) 0.2
- (B) 0.02
- (C) 0.005
- (D) 0.05
83.
Vicky's salary is 75% more than Ashu's. Vicky got a raise of 40% on his salary while Ashu got a raise of 25% on his salary. By what percent is Vicky's salary more than Ashu's?
- (A) 96%
- (B) 51.1%
- (C) 90%
- (D) 52.1%
84.
The reduction of 20% in the price of rice enables a person to obtain 50 kg more for Rs. 450. Find the original price of rice per kg.
- (A) Rs. 1
- (B) Rs. 2
- (C) Rs. 1.25
- (D) Rs. 2.25
85.
The cost of packaging of the mangoes is 40% the cost of fresh mangoes themselves. The cost of mangoes increased by 30% but the cost of packaging decreased by 50%, then the percentage change of the cost of packed mangoes, if the cost of packed mangoes is equal to the sum of the cost of fresh mangoes and cost of packaging :
- (A) 14.17%
- (B) 7.14%
- (C) 8.87%
- (D) 6.66%
86.
0.01 is what percent of 0.1 ?
- (A) 10%
- (B) $$\frac{1}{10}$$%
- (C) 100%
- (D) $$\frac{1}{100}$$%
87.
Sachin scored 120 runs, which included 6 boundaries and 4 sixes. What percentage of his total score did he make by running between the wickets?
- (A) $$46\frac{4}{9}\% $$
- (B) $$33\frac{1}{3}\% $$
- (C) 60%
- (D) 45%
88.
A batsman scored 110 runs which included 3 boundaries and 8 sixes. What percent of his total score did he make by running between the wickets?
- (A) 45%
- (B) $$45\frac{5}{{11}}\% $$
- (C) $$54\frac{6}{{11}}\% $$
- (D) 55%
89.
The monthly salaries of A and B are the same. A, B and C donate 10%, 8% and 9% respectively, of their monthly salaries to a charitable trust. The difference between the donations of A and B is Rs. 400. The total donation by A and B is Rs. 900 more than that of C. What is the monthly salary of C?
- (A) Rs. 25,000
- (B) Rs. 30,000
- (C) Rs. 27,000
- (D) Rs. 36,000
90.
The price of rice falls by 20%. How much rice can be bought now with the money that was sufficient to buy 20 kg of rice previously?
- (A) 5 kg
- (B) 15 kg
- (C) 25 kg
- (D) 30 kg