Question

In a km race A beats B by 50 metres or 10 seconds. Find the time taken by A to complete the race.?​

Answer 1

Answer:

hiiii

your answer is here !

Step-by-step explanation:

=> When A covered the distance of 1 km = 1000 m,

=> B must be 50 m behind A which B can cover in 10 seconds

⇒ The speed of B = 50/10 = 5 m/s

⇒ time taken by B to cover 1000 m = 1000/5 = 200 sec

⇒ Time taken by A to complete the race of 1000 m = 200 – 10 = 190 sec

=> 190 sec is right answer !

=> follow me !

Answer 2

$\huge{\underline {\underline {\green{Answer}}}}$

The correct answer is 200

here say that A beats b by 10 sec or 50 m

So,

1 km =1000m

Now,

A took 1000/50=20

fifty m and it took 10 sec to complete one 50 m

so ans is 20*10=200.

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