Question

in a race p beats q by 10 seconds q beats r by 20 second .p beats r in how manybseconds​

Answer 1

p beats r by 30 seconds

Given :

In a race p beats q by 10 seconds and q beats r by 20 second

To find :

p beats r by how many seconds

Solution :

Step 1 of 2 :

Write down the given data

Here it is given that a race p beats q by 10 seconds and q beats r by 20 second

Step 2 of 2 :

Calculate the seconds by which p beats r

p beats q by 10 seconds

q beats r by 20 second

∴ p beats r by (10 + 20) seconds

⇒ p beats r by 30 seconds

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Answer 2

GIVEN:-

In a race p beats q by 10 seconds q beats r by 20 seconds.

TO FIND:-

In how many seconds p beats r.

SOLUTION:-

As per given data ,

p beats q by 10 seconds.

q beats r by 20 seconds.

So, p beats r = (time taken to beats q by p + time taken to beats r by q).

                     = ( 10 + 20 ) seconds

                     = 30 seconds.

Therefore, the answer is 30 seconds.

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