AGES

AGES

1. The ratio of the number of girls to that of boys in a class is 2:3. If the average weight of the boys in the class is 40 kg and that of the class is 38 kg. Find the average weight of the girls.

a) 35 kg b) 36 kg

c) 38 kg d) 34 kg

2. The average of A,B and C is 20. A is as much more than the average as B is less than the average. Find C

a) 15 b) 30

c) 25 d) 20

3. The average of 71 numbers is 48. If the average of the first 59 is 46 and that of the last 11 is 52. Find the 60^th number?

a) 112 b) 132

c) 142 d) 122

4. The average age of PQRS. 5 years ago, was 45 yrs. By including T, the present average age of 5 people is 49 years. Find the age of T, 5 years hence.

a) 40 yrs b) 50 yrs

c) 55 yrs d) 60 yrs

5. If a+b = 3 (c+d), which of the following is the average of a,b,c and d?

a) b)

c) c + d d)

6. Four years ago the average age of A and B was 19 years with C joining them, now the average becomes 22 years. How old is C now?

a) 20 years b) 25 years

c) 28 years d) 30 years

7. Ramu was twice as old as Rahim, 3 years ago. After 3 years Ramu will be 4/3 times Rahim age. Find Ramu’s present age in binary numbers

a) 100 b) 110

c) 1001 d) 1100

8. Present ages of Shyam and Rasin are in the ratio 5:4 respectively. Three years hence, ratio of their age will become 11:9 respectively find Rasin’s present age in years.

a) 15 b) 6

c) 24 d) None of these

9. Rita’s mother is twice as old as her brother. Her brother is 5 years older than Rita. In 5 years her mother will be three times as old as Rita is now. What is Rita’s present age

a) 20 b) 25

c) 15 d) 4

10. After 8 years Sita will be twice her age, she was five years ago, Find her present age?

a) 18 b) 12

c) 16 d) 21

11. A father said to his son, ”I was as old as you are at the present at the time of your birth”. If the father’s age is 38 years now, the son’s age five years back was

a) 14 yrs b) 19 yrs

c) 33 yrs d) 38 yrs

12. How old is Priya now?

I) Three years ago, the average of Chitra and Sheena was 18 years.

II) With Priya joining them, the average becomes 22 years

a) Only (I) b) Only (II)

c) Either (I) or (II) d) Neither (I) nor (II)

e) Both (I) & (II)