Q21
Q21 Two years ago Sam's age was 4.5 times the age of his son. Six years ago, his age was twice the square of the age of his son. What is the present age of Sam's son ?
A
14 years
B
20 years
C
10 years
D
30 years
Q22
Q22 If 6 years are subtracted from the present age of Gagan and the remainder is divided by 18, then the present age of his grandson Anup is obtained. If Anup is 2 years younger to Madan whose age is 5 years, then what is Gagan's present age?
A
48 years
B
60 years
C
84 years
D
96 years
Q23
Q23 The average age of A and B is 20 years. If C were to replace A, the average would be 19 and the average age of C and A would be 21. The ages of A, B and C respectively are:
A
18, 22, 20
B
18, 20, 22
C
22, 18, 20
D
22, 20, 18
