Target Exam

CUET

Subject

-- Applied Mathematics - Section B2

Chapter

Numbers, Quantification and Numerical Applications

Question:

Riya and Priya complete a 200 metres race in 1 minute 12 seconds and 1 minute 26 seconds respectively. By how many metres will Riya defeat Priya ?

Options:

25 metres

32 metres

$\frac{25}{3}$ metres

$\frac{50}{3}$ metres

Correct Answer:

32 metres

Explanation:

The correct answer is Option (2) → 32 metres

Riya's time to complete = 1 min 12 s = 72 seconds

Priya's time to complete = 1 min 26 s = 86 seconds

$Speed=\frac{Distance}{Time}$

$S_R=\frac{200}{72},S_P=\frac{200}{86}$

Distance covered by Priya in 72 seconds = $\frac{200}{86}×72=167.76m$

Distance = $200-167.76≃32m$