1. Five- eighth of three-tenth of four-ninth of a number is 45. What is the number?
(a) 470
(b) 550
(c) 560
(d) 540

2. Which of the following numbers should be added to 11158 to make it exactly divisible by 77?
(a) 9
(b) 8
(c) 6
(d) 7

3. If n is odd, (11)ⁿ + 1 is divisible by:
(a) 11 + 1
(b) 11 – 1
(c) 11
(d) 10 + 1

4. Three numbers are in the ratio 3 : 5 : 6. Sum of the greatest and the smallest is equal to the sum of the middle and 16. Find the smallest number.
(a) 12
(b) 20
(c) 24
(d) 16

5. Sum of squares of two numbers is 60 and difference of the squares is 12. Find the sum of two numbers.
(a) 4
(b) 10
(c) 6
(d) 8

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