Multiple Choice Questions

A number x equal 80 of the average of 5 7 14 and a number y If the average of x and y is 26 th...........

Quantitative Aptitude and Numerical Ability (DRDO) (Phase-i and II) Average

A number x equal 80% of the average of 5, 7, 14 and a number y. If the average of x and y is 26, the value of y is ?

None of these

x = 80% × (5+7+14+y)/4

After Solving:-

5x - y = 26 ----------> (i)

and (x + y)/2 = 26

=> x + y = 52 ----> (ii)

By Solving (i) and (ii):-

x = 13 and y = 39

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