In a cricket team of `11,7` were at least 20 years old and 8 were almost 30 year old. The ages of how many were from 20 years to 30 years (both inclusive) ?

The captain of a cricket team of 11 members is 26 years old and the wicket keeper is 3 years older. If the ages of these two are excluded, the average age of the remaining players is one year less than the average age of the whole team. What is the average age of the team? (a) 23 years (b) 24 years (c) 25 years (d) None of these

Kartik is n years old. His father is 7n years old.

The captain of a cricket team of 11 members is 28 years old and the wicket keeper is 4 years older than him. If the ages of these two are excluded, the average age of the remaining players is two years less than the average age of the whole team. What is the average age of the team?

X is 36 years old and Y is 16 years old. In how many years will X be twice as old as Y?

Jiya is 8 years old. Her mother Seema is 32 years old. Find the ratio of Seema's age to Jiya's age 4 years ago.

At present, Kirti is 12 years old and her mother Kamlesh is 42 years old. Find the ratio of the Kamlesh's age two years ago to Kirti's age two years hence.