Ritesh travels at 1 kmph to reach station 500m far from his house to catch a train. He started but after 4 minutes, he realized that he forgot a document at home so he returned with same speed. What…

Question

Ritesh travels at 1 kmph to reach station 500m far from his house to catch a train. He started but after 4 minutes, he realized that he forgot a document at home so he returned with same speed. What should be his speed (in kmph) so that he catches the train?

PYQPulse · Accepted Answer

D. 1.36

PYQPulse · Answer

Explanation: speed = 1 × 18 × 60 = 3 𝑚/𝑚𝑖𝑛 Time taken to reach station (time to catch train) = = 30 𝑚𝑖𝑛 Time left to catch train = 30 – 4 – 4 = 22 min In this time, he is going back to home and has to reach station Total distance to be covered = 500𝑚 Required speed = 22 × 1000 = 1.36 𝑘𝑚𝑝ℎ

Ritesh travels at 1 kmph to reach station 500m far from his house to catch a train. He started but after 4 minutes, he realized that he forgot a document at home so he returned with same speed. What should be his speed (in kmph) so that he catches the train?

Answer: D. D. 1.36

Explanation

Ritesh travels at 1 kmph to reach station 500m far from his house to catch a train. He started but after 4 minutes, he realized that he forgot a document at home so he returned with same speed. What should be his speed (in kmph) so that he catches the train?

Answer: D. D. 1.36

Explanation