Question Bank for 4th Class Mathematics on Time

Posted by Olympiad Tester on

Math Practice Questions with Answers

Math Practice Questions with Answers

Question 1: Mr Kapoor is 31 years old. His son is 4 years old. In how many years' time will he be 4 times as old as his son?

Answer: 5 years

Question 2: Eli is 8 years old and his mother is 30 years older than him. How old will Eli be when his mother is thrice his age?

Answer: 15 years old

Question 3: Roshan spent 1/3​ h practicing on the piano every day. How much time did he spend practicing on the piano every week? Give the answer as a mixed number.

Answer: 2 1/3 hours

Question 4: The sum of Biren's age and his younger brother's age is 26. The product of their ages is 144. What is Biren's age in 20 years' time?

Answer: 38 years old

Question 5: Dev took 2 h to complete his Mathematics practice paper and 13​ of that time to write a composition. If Dev started work at 9.20 a.m., at what time did he finish all the tasks if he did not stop to rest? (Give your answer in the 24-hour clock.)

Answer: 13:45 (1:45 p.m.)

Question 6: Jill's lesson started at 1.15 p.m. and ended at 2.45 p.m. How long was the lesson in hours and minutes?

Answer: 1 hour 30 minutes

Question 7: Amit took 1 3/4​ h to assemble his model aeroplane. Vikas took 2/3​ h to assemble his model aeroplane. How much time did they take altogether to assemble the two aeroplanes? (Express your answer as a fraction in its simplest form)

Answer: 2 5/12 hours

Question 8: An MRT train took 45 minutes to travel from Lakemarket Station to Woodlands Station. If left Lakemarket Station at 11:37. What time did the train arrive at Woodlands Station?

Answer: 12:22 (12:22 p.m.)

Question 9: A plane departed from Singapore at 21:50 on Monday. It landed in Bangkok at 02:30. How long was the flight?

Answer: 4 hours 30 minutes

Question 10: When the minute hand of a clock moves from 6:20 p.m. to 6:35 p.m., it has moved __________ degrees.

Answer: 90 degrees

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