1.

Find the smallest number which is divisible by 21,30,44and75

Answer»

The smallest number divisible by 21,30,44 and 75 is their L.C.M. AKA LOWEST Common Multiple.
21=3*7
30=2*3*5
44=2*2*11
75=3*3*5

LCM= 2*2*5*7*11*3*3
=180*11
Using VEDIC Maths:-
1980



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