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Two motor cars start from one point and move along two roads at right angles to each other. If their speeds be respectively 36 km/hr and 48 km/hr, then after half and hour they will be x km apart. What is x?


A) 30 km

B) 40 km

C) 12 km

D) 84 km

Correct Answer:
A) 30 km

Description for Correct answer:
\( \Large x^{2} = 24^{2}+18^{2} \)

\( \Large = 576 + 324 = 900 \)

\( \Large x = \sqrt{900} = 30 km \)

Part of solved Time and Distance questions and answers : >> Aptitude >> Time and Distance




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