1. The sum of three consecutive natural numbers each divisible by 3 is 72. What is the largest among them?
(a) 25
(b) 26
(c) 27
(d) 30

2. 55% of a number is more than one-third of that number by 52.What is two-fifth of that number?
(a) 96
(b) 240
(c) 144
(d) 142

3. The digits of a two-digit number are in the ratio of 2 : 3 and the number obtained by interchanging the digits is bigger than the original number by 27. What is the original number?
(a) 63
(b) 48
(c) 96
(d) 69

4. What least number would be subtracted from 427398 so that the remaining number is divisible by 15?
(a) 13
(b) 3
(c) 16
(d) 11

5. If 45% of a number is added to the another number, the first number becomes 135 times of the another number. What is the ratio of these two numbers?
(a) 8 : 7
(b) 3 : 2
(c) 7 : 8
(d) None of these

6. A number gets reduced to its one-third when 48 is subtracted from it. What is two -third of that number?
(a) 22
(b) 76
(c) 36
(d) 48

7. One-fifth of a number is equal to 5/8th of another number. If 35 is added to the first number, it becomes four times of the second number. Find the second number.
(a) 39
(b) 70
(c) 40
(d) 25

8. 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

9. 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

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

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