General
Maths Puzzle
Numerical Ability
Ratio and Proportion
180 IS DIVIDED AMONG 66 BOYS AND GIRLS OF A CLASS. THE SUM OF THE BOYS SHARE AND GIRLS SHARE ARE IN RATIO 5:4 BUT THEIR INDIVIDUAL SHARE ARE 3:2. NUMBER OF BOYS IN THE CLASS ARE ?
Read Solution (Total 1)
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- 30 boys
If number of boys=b and girls=g, then
b + g =66 ----(i)
If each boy gets 'x' Rs. and each girl gets 'y' Rs., then
(b*x)/(g*y) =5/4 ----(ii)
x/y=3/2 ----(iii)
b*x + g*y= 180 ----(iv)
From (i), (ii), (iii) & (iv), b=30, g=36, x=10/3, y=20/9 - 8 years agoHelpfull: Yes(0) No(1)
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