Question

Find the smallest number of 5 digits which is exactly divisible by 15, 24, 40.

Answer 1

LCM of 15,24 and 40 is 120
smallest number of five digit =10000
on dividing 10000 by 120 we get remainder 40
Now add (120-40) =80 to the number to make it a number of five digit
required answer will be (10000+80)=10080
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Answer 2

Answer:

First find the LCM if 15,24,40

120 smallest 5 digit number = 10,000 ÷ 120

40

120-40 =80

10,000 + 80

= 10,080