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Which numbers out of 40, 9021, 27, 88 divisible by 2?

40 and 88

Is 38587902 divisible by 5? Give reason.

No. As it ends with 2. A number is only divisible by 5 when a number ends with 0 and 5.

What are the factors of 12?

1, 2, 3, 3, 6, 12

Is 37 divisible by 3? Give reason.

Sum of all numbers is 10. And 10 is NOT divisible by 3. So answer is NO.

Is 156 divisible by 3? Give reason.

Sum of all numbers is 12. And 12 is divisible by 3. So answer is YES.

Is 3858 divisible by 2? Give reason.

Yes. As it ends with 8.

Identify all Prime numbers: 1, 5, 3, 8, 9, 10, 7, 4, 6, 12, 15, 11, 2

Prime numbers are 2, 3, 5, 7, 11

A prime number is ONLY divisible by 1 and itself. True or False?

True

Find the HCF of 64 and 96.

HCF is 32

Is 375 divisible by 3? Give reason.

Sum of all numbers is 15. And 15 is divided by 3. So answer is YES.

A composite number is ONLY divisible by 1 and itself. True or False?

False

The number with unit digit ending with 0, 2, 4, 6, 8 is divisible by: 2, 3, 5, 10 or 9

2

The number with unit digit ending with 0 and 5 is divisible by: 2, 10 or 5

5

Find the HCF of 12 and 18.

HCF is 6

What are the factors of 18?

1, 2, 3, 6, 9, 18

Is 42 divisible by 3? Give reason.

Sum of all numbers is 6. And 6 is divisible by 3. So answer is YES.

The number with unit digit ending with 0 is divisible by: 2, 5, 10 or 6

10

The numbers that are NOT Prime numbers are called as?

Composite numbers

State 3 numbers that will be divisible by 10.

Any number ending with number 0 like 10, 20, 30, 40, 500, 6000, 608450.......

Find the HCF of 6 and 9.

HCF is 3