# A person is standing at -2 location on the number line. He runs to and fro from -2 to +5 location 5 times. How much distance has he covered if he comes back to -2 location at the end?

Category: QuestionsA person is standing at -2 location on the number line. He runs to and fro from -2 to +5 location 5 times. How much distance has he covered if he comes back to -2 location at the end?
Editor">Editor Staff asked 1 year ago

A person is standing at -2 location on the number line. He runs to and fro from -2 to +5 location 5 times. How much distance has he covered if he comes back to -2 location at the end?

(a) 35 units

(b) 7 units

(c) 30 units

(d) 15 units

I got this question in an interview.

Question is from Straight Line Motion in division Motion in a Straight Line of Physics – Class 11
Select the correct answer from above options
Interview Questions and Answers, Database Interview Questions and Answers for Freshers and Experience

Editor">Editor Staff answered 1 year ago

Correct answer is (a) 35 units

Easy explanation: In one turn the person covers 5 – (-2) units of distance, i.e. 7. Therefore in 5 turns, he will cover 5 x 7 = 35 units of distance.

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