Question

.

A person travelled 2560 km partly by aeroplane,

partly by ship and rest by car. The time taken by

aeroplane, ship and car are in the ratio 1 : 4 : 5 and

the ratio of average speed by all three means is 20 : 1

: 8. If average speed in whole trip is 64 km/hr then

find the speed of ship, time taken by ship and distance travelled by ship.0​

Answer 1

Answer:

$\large\bf\underline\red{Question \: :- }$

★ The time in which a train covers a distance 3600 km at a speed of 60 km/hr. What will be the distance covered in same time at speed of 80 km/hr?

$\large\bf\underline\red{Answer \: :- }$

Given :-

A train travels 3600km at speed 60km/hr.

To find :-

What is distance at speed 80km/hr.

Solution :-

We know that,

$★ \: {\small{\underline{\boxed{\bf{\pink{Speed = \frac{Distance }{ Time} }}}}}}$

Putting the values by given question

$⇢\sf{80 = \frac{distance}{60} }$

$⇢\sf{distance = 80 \times 60}$

$\sf\pink{⇢Distance = 4800km}$

4800km covered in same time at speed of 80 km/hr.

Answer : (3) 4800km

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