1.

40. A certain number of candidates appeared for an examination in which one-fifth of the whole plus16 secured first division, one-fourth plus 15 secured second division and one-fourth minus 25secured third division. If the remaining 60 candidates failed, find the total number of candidatesappeared.

Answer»

Let total number of candidates be Xso candidates who secured first Division=1/5x+16second division=1/4x+15third division=60-1/4x+25so, X=1/5x+16+1/4x+15+60-1/4x+25X=1/5x+1164/5x=116X=145



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