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bibekananda

· started a discussion

· 1 Months ago

It is not given the time, but you assume the time, how????

bibekananda

· started a discussion

· 1 Months ago

It is not given the time, but you assume the time, how????

Question:
A man makes his journey at 16 kmph and reaches his initial  at 28 kmph. What is his average speed?
Options:
A) 32 kmph.
B) 22 kmph.
C) 44 kmph.
D) None of these
Solution:

average speed = \(\frac{2 × 16 ×28}{16 + 28}=20\cfrac{4}{11}\) kmph

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