Sir please tell that  , how n=31.25 become  n=32 term

How many grams of hydrogen molecules are present in 20 gram hydrogen?

find two numbers whose product is 100 and whose sum is minimum

1. All subject

19 and 17 (OR) (B)

if U= 1 2 3 4 5 6 7 8 9 8 A= 2 4 6 8 B= 2357 verify that (AUB)=A'UB'

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• Questions no.9

in the last step where did the n go of the denominator pls tell