A person has to cover a distance of 204

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Target Exam

CUET

Subject

General Test

Chapter

Numerical Ability

Topic

Time, Speed and Distance

Question:

A person has to cover a distance of 204 km. If he increases his speed by 5 km/hr he reaches 5 hour early. Find his initial speed (in km/hr).

Options:

Correct Answer:

Explanation:

Let the initial speed = x km/hr

ATQ,

\(\frac{204}{x}-\frac{204}{x+5}=5\)

let x = 12 (by using option)

\(\frac{204}{12}-\frac{204 }{17}=5\)

17 – 12 = 5 (satisfied)

x = 12