Playing with Numbers

1. The general form of abc is:

• A. 100a + 10b + c

• B. 100b + 10c + a

• C. 100c + 10a + b

• D. None of the above

2. The generalised form of 129 is:

• A. 100+90+2

• B. 100+20+9

• C. 100+2+9

• D. None of the above

3. The usual form of 100 × 7 + 10 × 1 + 8 is:

• A. 108

• B. 708

• C. 718

• D. 170

4. Which of the following numbers are not divisible by 5?

• A. 20

• B. 125

• C. 122

• D. 200

5. Which of the following numbers are divisible by 10?

• A. 99

• B. 45

• C. 110

• D. 75

6. Which of the following are divisible by 2?

• A. 98

• B. 99

• C. 101

• D. 121

7. If a number is divisible 9, then it is divisible by:

• A. 6

• B. 7

• C. 3

• D. 11

8. If the three digit number 24x is divisible by 9, the value of x is:

• A. 3

• B. 7

• C. 1

• D. None of the above

9. The number 2146587 is divisible by:

• A. 7

• B. 3

• C. 11

• D. None of the above

10. The number 15287 is divisible by:

• A. 3

• B. 7

• C. 9

• D. None of the above