Question

Rahul is covering 20 km in 2 hr what is Rahul's speed?​

Answer 1

Explanation:

Let the total time he travelled with a speed of 20 km/hr is x hr.

So at 70 km/hr he travelled for = (8-x)hr

d

i

s

t

a

n

c

e

=

s

p

e

e

d

×

t

i

m

e

So, 20x + 70(8-x) =400

The total distance traveled = 20x + 560 - 70x = 410

50x = 150

x = 3 hrs

i.e. 3 hours

Answer 2

Answer:

Rahul speed is 20km per hour

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