Question

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Answer 1

Explanation:

It's easy and simple actually let's attack this

come on

First we calculate the time taken by car to reach the turn

s=d/t

t= d/s = 20/40= 1/2hr

so the car takes 1/2 hr to reach turn point.

The distance travelled by fly will be

S=d/t

d= S×t = 100km/hr(fly) .1/2hr= 50km

Let's now calculate no of turns..

it's require mathematical rules..

see.

When fly makes rounds between the car and the wall , with round ...the distance decreases

so we can say that distance tends to zero , so number of trips tends to infinity

Answer 2

Answer:

first we calculate the time taken by car to reach the turn s=d/t-d/s=20/40=1/2hr so the car takes to 1/2h to reach turn point the distance travelled by fly will be s=d/t=s×t=100km/hr(fly)1/2hr=50km