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 ? |
25 metres 32 metres $\frac{25}{3}$ metres $\frac{50}{3}$ metres |
32 metres |
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 = $200-167.76≃32m$ |