Question

Find the largest 5digit number which is exactly divisible by 40 .

Answer 1

Answer:

99960

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Answer 2

$\large{\frak{\red{Answer}}}$

$\sf{\pmb{\mathbb{\blue{99960}}}}$

Explanation:

Any number that is divisible by 40 is divisible by 10 and divisible by 4. Since the number is divisible by 10, the last digit should be a 0. If we remove the last digit, we can then check if the number is divisible by 4. A number is divisible by 4 if the last two digits (the 3rd and 4th digits) are divisible by 4.

The first two digits are 99 (max value) and the last digit is 0.

So, our number is 99_ _0

The largest 2 digit number divisible by 4 is 96.

Therefore our number is 99960.