How fast do you need to travel to go 150 km in 3 hours-50 km per hour-20 km per hour-65 km per hour-30 km per hour-

The correct option is A 50 km per hour ∵ Distance = Speed × Time ⇒ Speed = distance/time Given, distance = 150 km and time = 3 hours ∴speed required = 150/3 = ...

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Standard VII

Mathematics

Introduction to Speed

How fast do y...

Question

How fast do you need to travel to go 150 km in 3 hours?

50 km per hour

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20 km per hour

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65 km per hour

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30 km per hour

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Solution

The correct option is A
50 km per hour

$∵$ Distance = Speed $\times$ Time

$\Rightarrow$ Speed = $\frac{distance}{time}$

Given, distance = 150 km and time = 3 hours
$∴ speed required = \frac{150}{3} = 50$ km per hour

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How fast do you need to travel to go 150 miles in 3 hours?

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How fast do you need to travel to go 150 km in 3 hours?

The correct option is A 50 km per hour ∵ Distance = Speed × Time ⇒ Speed = distancetime Given, distance = 150 km and time = 3 hours ∴speed required=1503=50 km per hour

The correct option is A
50 km per hour

$∵$ Distance = Speed $\times$ Time

$\Rightarrow$ Speed = $\frac{distance}{time}$

Given, distance = 150 km and time = 3 hours
$∴ speed required = \frac{150}{3} = 50$ km per hour