Wipro
Company
Numerical Ability
Ratio and Proportion
In a family, the father took 1 / 4 of the cake and he had 3 times as much as others had. The total number of family members is :
a. 3
b. 7
c. 10
d. 12
Read Solution (Total 2)
-
- ans:10
(1/4)=25
25/3=8.33
rest of cake is 75.......75/8.3=9
total members=9+1=10 - 11 years agoHelpfull: Yes(1) No(1)
- let cake quantity be x
let total no of member including father be n
father took 1/4 part of x;
f=x/4; left 3x/4
father has 3 times as much other so f=3((left cake)/left members);
f=3*(3x/4)*(1/n-1)
x/4=3*(3x/4)*(1/n-1)
n-1=9;
n=10 - 7 years agoHelpfull: Yes(0) No(0)
Wipro Other Question