I. The sum of ages of P and R is 60 years.II. S is 10 years younger than R.
The average age of P, Q, R, and S is 30 years. How old is R?I. The sum of ages of P and R is 60 years.II. S is 10 years younger than R.
A clock only with only dots marking 3, 6, 9 and 12 positions has been kept upside down in front of mirror. A person reads the time in the reflection of the clock as 4.50. What is the actual time?
A train moving at speed of 90 km/hr crosses a pole in 7 seconds. Find the length of the train.