1. The average age of a man and his son is 28 years. The ratio of their ages is 3 : 1 respectively. What is the man’s age? (4)
(1) 30 years
(2) 38 years
(3) 44 years
(4) 42 years
(5) None of these
2. A car manufacturing plant manufactures 96 dozen-cars in eight days. How many dozen cars will the plant manufacture in 17 days (3)
(1) 210
(2) 224
(3) 204
(4) 209
(5) None of these
3. A and B together can complete a piece of work in 16 days. B alone can complete the same work in 24 days. IN how many days can A alone complete the same work? (3)
(1) 34 days
(2) 50 days
(3) 48 days
(4) 42 days
(5) None of these
4. Find the average of the following set of scores. (5)
142, 93, 102, 206, 115, 98
(1) 122
(2) 106
(3) 126
(4) 117
(5) None of these
5. The average of four consecutive odd numbers P, Q, R and S respectively (in increasing order) is 104. What is the sum of P and S? (2)
(1) 204
(2) 208
(3) 206
(4) 242
(5) None of these