SNAP 2021 Time, Speed and Distance Question (Medium)

Question

Starting from his house one day, a student walks with a speed of 2 1 2 km h and reaches school 6 minutes late. Next day he increases his speed by 1 km h and reaches 6 minutes early. How far is the school from the house?

Optima Learn · Accepted Answer

Understanding Let the distance from house to school be D km and the on-time arrival duration from leaving the house be T hours. On day 1, walking at 2.5 km h, he is 6 minutes 0.1 hour late on day 2, walking at 3.5 km h 2.5 1 , he is 6 minutes 0.1 hour early. Analyzing Day 1 D 2.5 T 0.1. Day 2 D 3.5

SNAP 2021 Time, Speed and Distance — Previous Year Question

SNAP 2021

Quantitative

Time, Speed and Distance

Medium

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