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1. Average age of A and B is 24 years and average age of B, C and D is 22 years. The
sum of the ages of A, B, C and D is
A. 90
B. 98
C. 120
D. Data is not adequate
2. Total of the ages of A, B and C at present is 90 years. Ten years ago, the ratio of
their ages was 1: 2: 3. What is the age of B at present
A. 25
B. 30
C. 45
D. 60
3. A man is 24 years older than his son. In two years, his age will be twice the age of
his son. The present age of his son is
A. 20 years
B. 21 years
C. 22 years
D. 24 years
4. Ratio of ages of three persons is 4:7:9, Eight years ago, the sum of their ages was
56. Find their present ages.
A. 16,35,36
B. 12,28,36
C. 16,28,27
D. 16,28,36
5. A man is 24 years older than his son. In two years, his age will be twice the age of
his son. The present age of this son is
A. 21 years
B. 22 years
C. 23 years
D. 24 years
6. Tanya's grandfather was 8 times older to her 16 years ago. He would be 3 times of
her age 8 years from now. What was ratio of ages of Tanya and her grandfather 8 years
ago.
A. 11:50
B. 11:51
C. 11:53
D. 11:54
7. A person's present age is two-fifth of the age of his mother. After 8 years, he will be
one-half of the age of his mother. How old is the mother at present
A. 38
B. 40
C.42
D.44
8. The sum of the present ages of a father and his son is 60 years. Six years ago,
father's age was five times the age of the son. After 6 years, son's age will be
A. 15 years
B. 18 years
C. 20 years
D. 22 years
9. Sivagami’s present age is 2/5th of the age of her mother. After 8 years she will be 1
half of the age of her mom. How old is the mother right now?
A) 44
B) 45
C) 40
D) 50
10. Arjun is four years older than Sunita who is twice as old as Raju. If the total ages
of Arjun, Sunita, Raju is 25 then what is the age of Raju?
A) 2
B) 3
C) 8
D) 9
11. (6)6.5 × (36)4.5 ÷ (216)4.5 = (6)?
A. 1 B. 2
C. 4 D. 6
12 .
A. 2 B. 11+P
C. 1 D. 1P
13.
A. √12 B. 4
C. 2 D. √14
14. if 6m = 46656, What is the value of 6m-2
A. 36 B. 7776
C. 216 D. 1296
15. 10222 ÷ 10220 = ?
A. 10 B. 100
C. 1000 D. 10000
16. If m and n are whole numbers such that
mn=121, the value of (m−1)n+1 is
a) 1
b) 10
c) 100
d) 1000
17. Evaluate
2560.16×(256)0.09
a) 2 b)4 c)8 d)16