Question

A beats b by 30 metres or 10 seconds. How much time was taken by a to completing a race of 1200 metres?

Answer 1

Answer:

Step-by-step explanation:

30 m = 10sec

1m = 10/30 = 1/3sec

1200m = 1/3 × 1200 = 40sec

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Answer 2

The amount of time taken by A to finish the race is 400 seconds.

Given:

A beats B by 30 m or 10 s.

To Find:

How much time was taken by A to complete a race of 1200 metres?

Solution:

The amount of time taken by A to travel 30 m is 10 s.

Hence according to the unitary method, the amount of time taken by A to complete the race of 1200 metres is

$1200*\frac{10}{30}= 400 s$

The answer is 400 seconds.

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