Question

9. Find the least number from which if 35 is subtracted, the result is exactly divisible
by 12, 18, 20, 21, 28 and 30.
10. Find the greatest number of four digits which is exactly divisible by 16, 20, 24, 28
and 35

Answer 1

Answer:

9. The L.C.M. of the numbers 12,18,20,21,28,30 will be 1260. It means, 1260 is completely divisible by 12,18,20,21,28,30. So, to find out the answer, we'll add 35 to 1260. therefore, 1295 is the number from which if 35 is subtracted the result is exactly divisible by

10. 8400