Reshma covers 45 km 45 \text{ km} 45 km at a speed of 15 km/h 15 \text{ km/h} 15 km/h by bicycle, 80 km 80 \text{ km} 80 km at a speed of 40 km/h 40 \...

SSC SSC CGL Tier 2 Easy Time and distance MCQ

Question

Reshma covers $45 \text{ km}$ at a speed of $15 \text{ km/h}$ by bicycle, $80 \text{ km}$ at a speed of $40 \text{ km/h}$ by car, and another $6 \text{ km}$ at a speed of $2 \text{ km/h}$ on foot. Find her average speed for the whole journey (correct to 2 decimal places).

Options

$16.38 \text{ km/h}$

$43.50 \text{ km/h}$

$18.36 \text{ km/h}$

$15.25 \text{ km/h}$

average speedspeeddistancetimearithmetic

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Reshma covers 45 km 45 \text{ km} 45 km at a speed of 15 km/h 15 \text{ km/h} 15 km/h by bicycle, 80 km 80 \text{ km} 80 km at a speed of 40 km/h 40 \...

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