## Realated Questions

Garry drove from a certain place say X to a certain place say Y at an average speed of 40 km. He took rest over there for some time and again drove from place Y to place X at an average speed of 50 km/hr. The distance between place X and place Y is 100 km. What is Garry's average speed per hour for the round trip?

When Ram was born, his father was 33 years older than his brother and his mother was 26 years older than his sister. If Ram's brother is 7 years older than Ram and his mother is 4 years younger than his father, how old was Ram's sister when Ram was born?

How many triangles are there in the following diagram of a 5-cornered star?