40 % of 30 + 30 % of 20 + 20 % of 10 = 60 % of x, then x will be

M4maths Previous Puzzles

23 Jan 2012 percentage

40 % of 30 + 30 % of 20 + 20 % of 10 = 60 % of x, then x will be

OPtion

1) 50/3
2) 100/3
3) 200/3
4) 500/3
5) 75/2
6) 125/2
7) 124/5
8) 100/9
9) 200/9
10) none of these

Solution

40 % of 30 + 30 % of 20 + 20 % of 10
= 12 + 6 + 2 = 20
so 20 = 0.6 x or x =200/6

Correct Option: 2 Best Solution (0)