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Is 375 divisible by 3? Give reason.

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

State 3 numbers that will be divisible by 10.

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

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

False

Find the LCM of 12 and 18.

sts answer

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

2

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

Is 42 divisible by 3? Give reason.

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

What are the factors of 18?

1, 2, 3, 6, 9, 18

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

10

Is 37 divisible by 3? Give reason.

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

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

40 and 88

Is 3858 divisible by 2? Give reason.

Yes. As it ends with 8.

What are the factors of 12?

1, 2, 3, 3, 6, 12

Is 156 divisible by 3? Give reason.

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

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

5

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.

The numbers that are NOT Prime numbers are called as?

Composite numbers

Find the LCM of 64 and 96.

sts answer

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

True

Which is the only even prime number?

2

Find the LCM of 6 and 9.

LCM is 6