Question

2.145 is divisible by which numbers
2
6
5
3​

Answer 1

• 3 and 5 if "." marks thousands
• 2, 3, 5, 6 if "." is a decimal point

Explanation:

The number 2145 is not even, so will not be divisible by 2 or 6. It ends in 5 so is divisible by 5. Its sum of digits is 12, which is divisible by 3, so the number is divisible by 3.

2145 is divisible by 3 and 5.

2.145 is divisible by all of these numbers:

2.145/2 = 1.0725

2.145/6 = 0.3575

2.145/5 = 0.429

2.145/3 = 0.715

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Here, we take the mixed number to be divisible if the decimal representation of the quotient is a terminating decimal fraction.