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

• ans:10
  (1/4)=25
  25/3=8.33
  rest of cake is 75.......75/8.3=9
  total members=9+1=10
• 10 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
• 6 years agoHelpfull: Yes(0) No(0)