1. Evaluate:
(a) 9/10
(b) –8/17
(c) –16/19
(d) 4/7

2. 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

3. 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

4. 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

5. 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

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