1.

In a library,1/5are maths books, 1/8 are hindi books,1/12are Hindi books and the rest are evs books. If the number of evs books are 142, find the total number of books in library.

Answer»

Step-by-step explanation:

1/5+1/8+1/12=24+15+10/120=49/120

1-49/120=120-49/120=71/120

71----------142

120--------?

120×142/71=2×120=240



Discussion

No Comment Found

Related InterviewSolutions