GMAT Quantitative Reasoning Practice Test 4

Question : 63 of 100

Marks: +1, -0

An ant walks an average of 500 meters in 12 minutes. A beetle walks

15 \%

less distance at the same time on the average. Assuming the beetle walks at her regular rate, what is its speed in

{\km} \/ {\h}

Solution:

A beetle moves

(0.85 × 500=425

meters

)

in 12 minutes that is equal to

0.425 {\km}

1{/} 5

of an hour. The speed in the right units is

0.425 × 5=2.125 {\km} {/ } {\h}

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