1 The sum of the smallest six-digit number and the greatest five-digit number is: A) 19999 B) 201110 C) 211110 D) 109999
2 What should be the maximum value of B in the following equation ? 5A9 - 7B2 + 9C6 = 823 A) 5 B) 6 C) 7 D) 9
3 What should come in place of * mark in the following equation ? 1*544 / 148 = 78 A) 1 B) 4 C) 6 D) 8 E) None of these
4 If a and b are both odd numbers, which of the following is an even number ? A) a + b B) a + b + 1 C) ab D) ab + 2
6 How many numbers between 400 and 600 begin with or end with a digit of 5 ? A) 40 B) 100 C) 110 D) 120
10 If (12 + 22 + 32 + ..... + 102) = 385, then the value of (22 + 42 + 62 + ..... + 202) is : A) 770 B) 1155 C) 1540 D) 385
11 A number 476**0 is divisible by both 3 and 11. The non-zero digits in the hundredth and tenth place respectively are: A) 7,4 B) 7,5 C) 8,5 D) None of this
14 The largest natural number which exactly divides the product of any four consecutive natural numbers is : A) 6 B) 12 C) 24 D) 120
15 The difference between the squares of two consecutive odd integers is always divisible by : A) 3 B) 6 C) 7 D) 8
