Subject :IMO Class : Class 7
The sum of three numbers is 116. If the ratio of the second to the third number is 9 : 16 and the first to the third number is 1 : 4, then the second number is
A28
B30
C36
D40
Ans 1:
Class : Class 8
c 36
explanation ------
1:4
9:16
sooooooo 4:9:16
4x+9x+16x = 116
29x =116
x = 116/29
x = 4
the second number is 9x that is 9*4=36