Percentages 1/4

25. A student who secures 20% marks in an examination fails by 30 marks. Another student who secures 32% marks gets 42 marks more than those required to pass. The percentage of marks required to pass is :
a. 20
b. 25
c. 28
d. 30

26. 5% Income of A is equal to 15% Income of B and 10% Income of B is equal to 20% Income of C. If income of C is Rs.2000, then total income of A, B and C is :
a. Rs.6000
b. Rs.18000
c. Rs.20000
d. Rs.14000

27. In mathematics exam a student secured 30% marks in the first paper out of a total of 180. How much should he score in second paper out of a total of 150, If he is to get an over all average of at least 50% ?
a. 74%
b. 76%
c. 70%
d. 80%

28. 75% of a number when added to 75, is equal to a number. The number is :
a. 150
b. 200
c. 225
d. 300

29. After spending 40% in machinery, 25% in building, 15% in raw material and 5% on furniture, Harilal had a balance of Rs.1305. The money with him was :
a. Rs.6500
b. Rs.7225
c. Rs.8700
d. Rs.1390

30. A man donated 5% of his income to a charitable organisation and deposited 20% of the remainder in a bank. If he now has Rs.1919 left, what is his income ?
a. Rs.2558.60
b. Rs.2525
c. Rs.2500
d. Rs.2300

31. Rakesh credits 15% of his salary in his fixed deposit account and spends 30% of the remaining amount on groceries. If the cash in hand is Rs.2380, what is his salary?
a. Rs.3500
b. Rs.4000
c. Rs.4500
d. Rs.5000

32. The income of a broker remains unchanged though the rate of commission is increased from 4% to 5%. The percentage of slump in business is :
a. 8%
b. 1%
c. 20%
d. 80%