## Bharat Gupta is teaching live on Unacademy Plus

TIME, SPEED AND DISTANCE Practice Questio _ 5

Mahesh starts walking towards the temple from his house. After covering one-third of the total distance he doubles his original speed. When he has walked two-third of the total distance he increase his speed to three times his original speed and reached the temple. While coming back to his house he covers entire distance at his original speed. If Mahesh walks for 2 hours, then for how much time does he walks at thrice his original speed? a. 24 min b. 8 min c. 6 min d. 12 min Rohit moves with a constant speed of 4 steps/seconds and Mina moves with constant speed of 1 step/second on an escalator. When the escalator moves downward at a constant speed Rohit takes 120 steps while Mina takes 60 steps to reach the bottom from the top of the a. 180 escalator. How many steps would be visible in the escalator when it becomes stationary? b. 120 c. 150 d. 160 Arindam and Unnati are siblings. They go to their school on the same route every day. One day Arindam leaves home at 7:00 AM and rides with constant speed of 9 km/hr. After 5 minutes at school, he realises that he has forgotten his lunch box at home, He immediately ride back to his home at a constant speed of 5 km/hr. At 7:25 AM he meets Unnati, who had left home at 7:15 AM, and is riding at a constant speed of 6 km/hr. What is the distance between their home and school? a. 9 km b. 5 km c. 9/5 km d. 5/9 kmm

Mahesh starts walking towards the temple from his house. After covering one-third of the total distance he doubles his original speed. When he has walked two-third of the total distance he increase his speed to three times his original speed and reached the temple. While coming back to his house he covers entire distance at his original speed. If Mahesh walks for 2 hours, then for how much time does he walks at thrice his original speed? a. 24 min b. 8 min c. 6 min d. 12 min

Mahesh starts walking towards the temple from his house. After covering one- third of the total distance he doubles his original speed. When he has walked two- third of the total distance he increase his speed to three times his original speed and reached the temple. While coming back to his house he covers entire distance at his original speed. If Mahesh walks for 2 hours in all, then for how much time does he walks at thrice his original speed? a. 24 min b. 8 min c. 6 min d. 12 min hins to wel at dl 2 x had 25, 3 d sa

Rohit moves with a constant speed of 4 steps/seconds and Mina moves with constant speed of 1 step/second on an escalator. When the escalator moves downward at a constant speed, Rohit takes 120 steps while Mina takes 60 steps to reach the bottom from the top of the escalator. How many steps would be visible in the escalator when it becomes stationary? a. 180 b. 120 c. 150 d. 160

Rohit moves with a constant speed of 4 steps/seconds and Mina moves with constant speed of 1 step/second on an escalator. When the escalator moves downward at a constant speed, Rohit takes 120 steps while Mina takes 60 steps to reach the bottom from the top of the escalator. How many steps would be visible in the escalator when it becomes stationary? a. 180 b. 120 c. 150 d. 160 or Rohit gBe ive. 30 a> r toha No

Arindam and Unnati are siblings. They go to their school on the same route every day. One day Arindam leaves home at 7:00 AM and rides with constant speed of 9 km/hr. After 5 minutes at school, he realises that he has forgotten his lunch box at home, He immediately ride back to his home at a constant speed of 5 km/hr. At 7:25 AM he meets Unnati, who had left home at 7:15 AM, and is riding at a constant speed of 6 km/hr. What is the distance between their home and school? .9km b. 5 km c. 9/5 km d. 5/9 kmm

Arindam and Unnati are siblings. They go to their school on the same route every day. One day Arindam leaves home at 7:00 AM and rides with constant speed of 9 km/hr. After 5 minutes at school, he realises that he has forgotten his lunch box at home, He immediately ride back to his home at a constant speed of 5 km/hr. At 7:25 AM he meets Unnati, who had left home at 7:15 AM, and is riding at a constant speed of 6 km/hr. What is the distance between their home and school? a. 9 km b. 5 km c. 9/5 km d. 5/9 km Cria