Question

Ram is thrice as fast as Mohan and Mohan is twice as fast as Sohan. The distance covered by Sohan in 42

minutes will be covered by Mohan in​

Answer 1

Answer:

21 minutes

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Answer 2

Answer:

The time taken by Mohan to cover the same distance as Sohan is 21 min .

Step-by-step explanation:

Given as :

Let The Speed of Sohan = x km/min

∵ Mohan is twice as fast as Sohan

So, Speed of Mohan = 2 × speed of Sohan

i.e Speed of Mohan = 2 × x = 2 x km/min

Again

Ram is thrice as fast as Mohan

So, Speed of Ram = 3 × speed of Mohan

i.e Speed of Ram = 3 × 2 x

or, Speed of Ram = 6 x  km/min

∵ Distance = Speed × time

For Sohan

Distance = x km/min × 42 min

i.e Distance = 42 x  km

Or, D = 42 x  km

For Mohan

Distance = 2 x km/min × time

Or, 42 x = 2 x × time              ( As both cover same distance )

∴  Time = $\dfrac{42 x}{2 x}$

i.e Time = 21  min

Hence, The time taken by Mohan to cover the same distance as Sohan is 21 min . Answer