Subject :IMO Class : Class 5
The weight of Tom is 1/7 times the weight of his
grandfather and 1/4 times the weight of his mother. What
fraction is Tom's mother's weight to his grandfather's
weight?
A 4/7
B 3/7
C 3/4
D 7/12
Ans 1:
Class : Class 5
You have these two equationsT = G/7 and T = M/4,where T is Tom's weight, G is grandfather's weight and M is mother's weight.Hence, G/7 = M/4,which implies M = (4G)/7.Answer. Mother's weight is 4/7 of grandfather's weight.
Ans 2:
Class : Class 7
i cant understand
Ans 3:
Class : Class 7
Ans 4:
Class : Class 5
Ans 5:
Class : Class 7