Practice Questions – Ratio and Proportion – 1
1) The total number of students in a school is 1224. If the number of girls of students in a school is 600, then what is the respective ratio of the total number of boys to the total number of girls in the school?
a) 26 : 25
b) 21 : 17
c) 18 : 13
d) 5 : 4
e) None of these
2) The ratio of the present age of sunitha and vinitha is 4 : 5. Six years hence the ratio of their age will be 14 : 17. What will be the ratio of their age 12 years hence?
a) 15 : 19
b) 13 : 15
c) 16 : 19
d) 17 : 19
e) None of these
3) The age of father is three times the age of his son at present. Four years hence the ratio between the age of father and son becomes 13 : 5 respectively. What is the present age of father?
a) 48 years
b) 42 years
c) 52 years
d) Cannot be determined
e) None of these
4) Mohan and Sohan are 35 and 40 years respectively. After how many years would the ratio of their ages become 9 : 10?
a) 5
b) 10
c) 15
d) Cannot be determined
e) None of these
5) Amar started a business investing ₹ 45,000. Six months later prakash joined him with ₹ 30,000. In what ratio should the profit they earn be distributed at the end of year?
a) 3 : 1
b) 3 : 4
c) 3 :2
d) Data inadequate
e) None of these
6) A, B and C started a business with investment in the ratio 5 : 6 : 8 respectively. After one year C with drew 50% of his capital and A increased his capital by 60% of his investment. After two years in what ratio should the earned profit be distributed among A, B and C respectively?
a) 2 : 3 : 3
b) 4 : 3 :2
c) 13 : 12 : 12
d) Cannot be determined
e) None of these
7) A particular sum was divided among A, B and C, in the ratio 2:6:7 respectively. If the amount received by A was ₹ 4,908, what was the difference between the amounts received by B and C?
a) ₹ 2, 454
b) ₹ 3, 494
c) ₹ 2,135
d) ₹ 2, 481
e) None of these
8) The average age of a man and his son is 30 years. The ratio of their ages four years ago was 10 : 3 respectively. What is the difference between the present ages of the man and his son?
a) 28 years
b) 16 years
c) 26 years
d) 44 years
e) None of these
9) The ratio between Glria`s and Sara`s present ages is 4 : 7 respectively, two years ago the ratio between their ages was 1 : 2 respectively. What will be Sara`s age three years hence?
a) 17 years
b) 14 years
c) 11 years
d) 8 years
d) None of these
10) The total number of students in a school is 31700. If the ratio of boys to the girls in the school is 743 : 842 respectively, what is the total number of girls in the school?
a) 14860
b) 16480
c) 15340
d) Cannot be determined
e) None of these
