# Percentages 1/3

13. A student got 42% marks and has secured 12 marks more than the minimum passing marks. Another student got 45% has obtained 30 marks more than the minimum passing marks. The maximum marks are:
a. 1200
b. 900
c. 600
d. 800

14. A person saves 10% of his income. If his income is increased by 20% and he saves 15% of the new income, by what percent his savings will increase?
a. 80%
b. 60%
c. 50%
d. 40%

15. Sum of 5% of a number and 9% of other number is equal to sum of 8% of first number and 7% of the second number. Find ratio between the numbers.
a. 1 : 2
b. 2 : 3
c. 3 : 2
d. 9: 13

16. A man spends 10% of his income on food and 80% of the remaining income on clothing. If he still has a balance of Rs. 180. what is his total income?
a. 1000
b. 1200
c. 1300
d. 1400

17. The length of a rectangle is increased by 60%. By what percent would be width have to be decreased to maintain the same area ?
a. $37\displaystyle\frac{1}{2}$ %
b. 60%
c. 75%
d. None of these

18. If the side of a square is increased by 30% , its area is increased by :
a. 9%
b. 30%
c. 60%
d. 69%