## Lakshya Education MCQs

Question:

The present ages of three persons are in proportions 4 : 7 :9 Eight years ago , the sum of their ages was 56 . Find their present ages.

Options:
 A. 8 , 20 , 28 B. 16 , 28 , 36 C. 20 , 35 , 45 D. none of these

Sherin

8 years ago a+b+c = 56
After 8 years a+b+c = 56+ (3*8)
a+b+c = 80
From ratio , a:b = 4:7 , a= 4b/7
Similarly c= 9b/7
Substitute in eqn (1)
4b/7 + b + 9b/7 = 80
b= 28 a= 16 c = 36
Date : 2017-08-08 10:49:40

Earn Reward Points by submitting Detailed Explaination for this Question

## More Questions on This Topic :

Question 1.

Hitesh is 40 year old and ronnie is 60 years old . How many years ago was the ratio of their ages 3 : 5 ?

Options:
1.    5 years
2.    10 years
3.    15 years
4.    20 years
Question 2.

The total of the ages of Jayant , Prem  andSaransh is 93 years . Ten years ago , the ratio of their ages was 2 : 3 : 4 . What is the present age of Saransh?

Options:
1.    34 years
2.    36 years
3.    38 years
4.    40 years
Question 3.

Present ages of Sameer and Anand  are in the ratio 5: 4 respectively. Three years hence , the ratio of their ages will become 11: 9 respectively . What is anand’s present age in year.

Options:
1.    22
2.    24
3.    26
4.    none of these
Question 4.

1. The ratio of the ages of a man and his wife is 4 : 3 After 4 years, this ratio will be 9 : 7 if at the time of marriage, the ratio was 5 : 3 , then how many years ago were they married ?

Options:
1.    10 years
2.    12 years
3.    14 years
4.    16 years
Question 5.

1. Ten year ago , A was half B in age . If the ratio of their present ages is 3 : 4 , what  will be the total of their present ages.

Options:
1.    20 years
2.    25 years
3.    30 years
4.     none of these
Question 6.

1. A man is 24 years older than his son. In two years, his age will be twice the age of his son. Find the present age of the son  .

Options:
1.    18 years
2.    20 years
3.    22 years
4.    24 years