In a library,1/5 are Maths Books,1/8 are science Books,1/12 are Hindi books and the rest are EVS books . If the number of EVS books is 142, find the total number of books in the library.
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Fraction of Math book= ¹/5
Science book= ⅛
Hindi book = ¹/12
Number of EVS book= 142
¹/5+⅛+¹/12+142/1
=LCM of 5,8,12 and 1=120
1/5=24/120 + 1/8=15/120 +
1/12=10/120 + 142/1=17,040/120
24/120+15/120+10/120+17,040/120
=17,089/120
There are 17,089/120 books in the library.
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