GK Questions and Answers, General Knowledge Quiz

Q. A's salary is increased by 10% and then decreased by 10%. The change in salary is -

1) 0%
2) 1% decrease
3) 1% increase
4) 2% decrease

Q. A sells a cycle to B at a profit of 10%, and B sells to C at a profit of 20%. If C pays Rs. 264 for it, how much did A pay for it?

1) Rs.200
2) Rs.220
3) Rs.225
4) Rs.234

Q. If a man were to sell his handcart for Rs.720, he would lose 25%. To gain 25%, the selling price is -

1) Rs.960
2) Rs.1,200
3) Rs.1,000
4) Rs.2,100

Q. A man purchases two fans for Rs.2,160. By selling one fan at a profit of 15% and the other at a loss of 9% he neither gains nor loses in the whole transaction. Find the cost price of each fan in Rs. -

1) 710, 1450
2) 1530, 630
3) 810, 1350
4) 1340, 820

Q. If a man receives on one-fourth of his capital 3% interest, on two-thirds 5% and on the remainder 11% the percentage he receives on the whole is -

1) 4.5
2) 5
3) 5.5
4) 5.2

Q. On mixing two classes A and B of students having average marks of 25 and 40 respectively, the overall average obtained is 30. Find the ratio of the students in classes A and B.

1) 2:1
2) 5:8
3) 5:6
4) 3:4

Q. A can contain a mixture of two liquids A and B in a ratio of 7:5. When 9 liters of the mixture are drained off and the can is filled with B, the ratio of A and B becomes 7:9. How many liters of liquid A was contained by the can initially?

1) 10
2) 20
3) 21
4) 25

Q. A and B are two alloys of gold and copper in the ratios 7:2 and 7:11 respectively. If equal quantities of these two alloys are melted to form a new alloy C, then the ratio of gold and copper in C is -

1) 6:5
2) 9:4
3) 12:7
4) 7:5

Q. If there is a reduction in the number of workers in a factory in the ratio of 15:11 and an increment in their wages in the ratio of 22:25, then the ratio by which the total wages of the workers should be decreased is -

1) 6:5
2) 5:6
3) 3:7
4) 3:5

Q. Alex sold his goods after announcing two successive discounts of 30% each effective discount altogether is -

1) 52%
2) 49%
3) 50%
4) 51%