1. In how many different ways can the letters of the word ‘INCREASE’ be arranged? (4)
(1) 40320
(2) 10080
(3) 64
(4) 20160
(5) None of these
2. What would be the compound interest accrued on an amount of ` 8400 at the rate 12.5% per annum at the end 3 yr? (Rounded off to two digits after decimal) (3)
(1) ` 4205.62
(2) ` 2584.16
(3) ` 3560.16
(4) ` 3820.14
(5) None of these
3. What is the area of a circle whose circumference is 1047.2 m? (1)
(1) 87231.76 sq m
(2) 85142.28 sq m
(3) 79943.82 sq m
(4) 78621.47 sq m
(5) 69843.23 sq m
4. The ratio of the ages of a father and son is 17 : 7 respectively. 6 yr ago, the ratio of their ages was 3 : 1 respectively. What is the father’s present age? (2)
(1) 64
(2) 51
(3) 48
(4) Can’t be determined
(5) None of these