A’s age is the fifth part of his father’s age. After 7 years, the age of A’s father will be twice the age of B. If B’s 6th birth...
The sum of the present ages of a father and his daughter is 80 years. Eight years ago, the father’s age was seven times the age of his daughter. Eight...
In a classroom there are 13 boys and 11 girls. Average age of each boy and each girl is 23 years and 17 years respectively. The sum of ages of all the b...
Beena is twice as old as Sunita. Three years ago, she was three times as old as Sunita. How old is Sunita now?
The ratio of age of ‘X’ 3 years hence from now to the age of ‘Y’ 7 years ago from now is 5 : 4. If the sum of their present ages is 49 years, th...
Sum of the present ages of A, B, C and D is 60 years. After 6 years ratio of their ages is 6:5:5:4. What is C’s present age?
What is A's present age, if after 17 years his age will be 10 times his age 10 years back?
A's age is 75% greater than B's age. The age difference between C and D is 24 years. The average age of A, B, C, and D is 60.75 y...
The edge length of a regular tetrahedron is 10 cm. What is its volume?
The ratio of the ages of a father and his son is 7 : 3. If the sum of their ages is 60 years, find father's age.
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