# Playing with Numbers

This is an MCQ-based quiz on Playing with Numbers.

This includes Usual form, Generalized form, and Divisibility.

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The generalised form of 1329 is:

1000+200+90+2 1000+300+20+9 1000+100+20+9 None of the above

The usual form of 100 × 9 + 10 × 1 + 8 is:

108 908 918 970

Which of the following numbers are not divisible by 25?

250 125 235 200

Which of the following numbers are divisible by 100?

990 450 1100 750

The general form of abcd is:

1000a + 100b + 10c + d 1000b + 100c + 10a + d 100+c + 100a + 10b + d None of the above

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

3 7 1 None of the above

Which of the following numbers is divisible by 9 ?

234 334 444 434.

Which of the following numbers is not divisible by 3 ?

123 132 231 134.

If the three-digit number 4 3 x is divisible by 9, what is the value of x ?

1 2 3 4.

If the number 1 x 8 is divisible by 3, then x is equal to

0 or 3 or 6 or 9 4 5 7.

Which of the following numbers are not divisible by 5?

20 125 122 200

The number 2146587 is divisible by:

7 3 11 None of the above

The general form of abc is:

100a + 10b + c 100b + 10c + a 100c + 10a + b None of the above

The generalised form of 129 is:

100 + 90 + 2 100 + 20 + 9 100 + 2 + 9 None of the above

The number 15287 is divisible by:

3 7 9 None of the above

What value should be given to ” * ” so that the number 653 ∗ 47 is divisible by 11?

1 6 2 9

When is a number always divisible by 90?

If it is divisible by both 2 and 45. If it is not divisible by both 5 and 18. If it is not divisible by both 9 and 10. If it is divisible by 3 and 20.

Write in the usual form: 10×5 + 6

65 54 56 25

Write in the usual form: 100 × 7 + 10 × 1 + 8

871 718 178 781

By which of the following number 168 is divisible?

5 10 9 2
Quiz/Test Summary
Title: Playing with Numbers
Questions: 20
Contributed by: 