1. The sum of even numbers between 1 and 31 is: (3)
- 1. 6
- 2. 28
- 3. 240
- 4. 512
2. 2056 x 987 = ? (2)
- 1. 1936372
- 2. 2029272
- 3. 1896172
- 4. 1926172
- 5. None of these
3. On multiplying a number by 7, the product is a number each of whose digits is 3. The smallest such number is: (1)
- 1. 47619
- 2. 47719
- 3. 48619
- 4. 47649
4. If x and y are the two digits of the number 653xy such that this number is divisible by 80, then x + y = ? (1)
- 1. 2 or 6
- 2. 4
- 3. 4 or 8
- 4. 8
- 5. None of these
5. The difference of the squares of two consecutive odd integers is divisible by which of the following integers ? (4)
- 1. 3
- 2. 6
- 3. 7
- 4. 8