Directions: (Q. 1 - 5): Solve the following questions -

1. The average age of a committee of eight members is 40 years. A member aged 55 years retired and his place was taken by another member aged 39 years. Find the average age of the present committee.

(A) 38 years
(B) 36 years
(C) 39 years
(D) 40 years

2. There are 40 boys in a class and their average age is 16 years. one boy, aged 17 years, leaving the class and another joining, the av e rag e ag e be c ome s 15.875 years. The age of the new boy is –

(A) 12 years
(B) 14.5 years
(C) 15 years
(D) 17 years

3. A, B and C three are batsmen. The ratio of the runs scored by them in a certain match are as B : A = 3 : 5 and C : B = 5 : 4. In all they scored 564 runs. The number of runs scored by B is –

(A) 124
(B) 104
(C) 114
(D) 144

4. 55 litres of mixture has milk and water in the ratio 7 : 4. How much quantity of water must be added in the mixture to get milk and water in the ratio 7 : 6.

(A) 16 litres
(B) 15 litres
(C) 12 litres
(D) 10 litres

5. A, B and C enter into a partnership. A contributes ` 320000 for 4 months, B contributes ` 510000 for 3 months and C contributes ` 270000 for 5 months. If the total profit be ` 124800, then A's share in the profit is –

(A) Rs 38400
(B) Rs 45900
(C) Rs 40500
(D) Rs 41500