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Let the father's age be x years and the son's age be (50 - x) years. In 5 years, the father's age will be x + 5 and the son's age will be (50 - x) + 5 = 55 - x. According to the condition: x + 5 = 2(55 - x) x + 5 = 110 - 2x 3x = 105 x = 35 years (father), son = 50 - 35 = 15 years. Answer: c) Father: 35, Son: 15.
If R’s age is twice the average age of P, Q and R. P’s age is one third the average age of P, Q and R. If Q is 10 years old, the average age...
Sum of the present ages of A, B, C and D is 50 years. After 5 years ratio of their ages is 5:4:3:2. What is C’s present age?
A certain sum of money becomes 4 times of itself in 15 years at simple interest. In how many years does it become double of itself at the same rate of s...
Shalini is younger than Rashi by 4 years. If the ratio of Shalini and Rashi ages is 8:9 respectively, then find the age of Shalini.
Present average age of A, B and C together is 44 years. 12 years from now the age of B will be 260% more than the age of A.Four years ago from now while...
The ratio of age of ‘B’ after 6 years from now and age of ‘C’ 4 years ago from now is 7:4, respectively. The present age of ‘C’ is 40% of th...
Four years ago, the ratio of ages of a brother and sister was 5:6 respectively. 3 years from now, the age of the sister will be twice that of the brothe...
Present average of age of A and B is (9x-15) years. Present average age of A, B and C is (6x+5) years. If present age of B is 20% less than the present ...
The average of present ages of Rajesh and his father is 45 years. The age of Rajesh 5 years hence from now will be 1/4 of the pre...
18 years ago the average age of a family of four members was 45 years. Two children were born in that span of 18 years. The present average age of the f...
