Question

in a kilometer race , a beats b by 40 meters or by 10seconds .whatvis the time taken by a over the course?

Answer 1

Step-by-step explanation:

A runs 1km = 1000 m, it means B runs 1000 - 40 = 960 meters

Time is taken by B for 40 meters = 5 seconds

Time is taken by B for 960 meters = 5/40 × 960=120 seconds

The time in which B covered 960 meters, A has covered 1000 meters.

∴ A's time over the course = 120 seconds

= 2 minutes

Answer 2

Answer:

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Step-by-step explanation:

In a kilometer race, A beats B by 40 meters or by 5 seconds. What is the time taken by A over the course? 1 minute 57 seconds.