Divisibility by 9

Q. If 21y5 is a multiple of 9, where y is a digit, what is the value of y?
[2 marks]
[NCERT - Ex 16.2, Q1]
[Divisibility by 9]

1. 2
2. 3
3. 1
4. 4

Q.

990 + 9999 is divisible by

1. 3

2. 9

3. 11

4. 7

Q.

If the digits of a 3 digit number abc is reversed, then the difference of original and reversed number is not divisible by 9.

1. False

2. True

Q.

If a number is divisible by 9, then it is also divisible by ___

Q.

Find the smallest value of 'a' if 3a9 is divisible by 9.

1. 2

2. 4

3. 6

4. 8

Q.

Which of the following is not a factor of 9042?

1. 2

2. 9

3. 3

4. 6

Q.

By which of the following numbers is 392 divisible?

1. 9

2. 3
3. 2
4. 4

Q.

Which of the following numbers is divisible by 99?

1. 913462

2. 135792

3. 3572406

4. 114345

Q.

3134673 is divisible by

1. 10

2. 2 and 3

3. 6

4. 3 and 9

Q. If 21z4 is a multiple of 9, where z is a digit, what might be the values of z?

1. All of these
2. 5
3. 0
4. 2