The
age of father is three times the age of his son at present. Four years hence
the ratio between the ages of father and son

becomes
13 : 5 respectively. What is the present
age of father?

A)48 years

B)50 years

C)46 years

D)44 years

Answer:
A

2)

In
a garden, the ratio of the number of coconut trees to that of mango trees is 5
: 6 respectively. If the total number of
trees is 121, then how many coconut trees are there in the garden?

A)50

B)45

C)56

D)55

Answer:
D

3) The average age of Ram, Hari and Gopa is 42
years. If their ages are in the ratio of
2 : 3 : 4 respectively. What is the age
of Hari in years?

A)28

B)42

C)45

D)23

Answer:
B

4)

The ratio of girls and boys in a school
is 3 :7. The number of boys is more by
400 than that of girls? What is the
number of boys in the school?

A)300

B)700

C)100

D)500

Answer:
B

5) The ratio of the present age of Sunita and
Vinita is 4 : 5. Six years hence the
ratio of their ages will be 14 : 17.
What will be the ratio of their ages 12 years hence?