Question

Find the least number of 5 digit exactly divisible by 9,12,15&21

Answer 1

Answer:

The number is 10080

Step-by-step explanation:

Take l.c.m(9,12,15, 21)=1260

The least 5digit number is 10000

Divide 10000/1260=7.9365079365079

0.9365079365079 is unwanted

To find the perfect whole number

1260x7=8820(4 digit)==>not the answer

Round off 7.9365079365079=8

1260x8=10080(5digit)

10080/9=1120

10080/12=840

10080/15=672

10080/21=480

Hope this helps you

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