Question
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Answer (Detailed Solution Below)
Option 4 : $21\frac{9}{11}$ minutes past $4$
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Detailed Solution
सही उत्तर $21\frac{9}{11}$ minutes past $4$ है।
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prepsnap.in • Part -AQuestion:
Between $4$ and $5$ o'clock, at what time do the hour and minute hands of a clock coincide? / $4$ और $5$ बजे के बीच घड़ी की घंटे और मिनट की सुइयाँ किस समय एक-दूसरे पर आती हैं?
1.
$20$ minutes past $4$
2.
$21\frac{9}{10}$ minutes past $4$
3.
$22\frac{1}{2}$ minutes past $4$
4.
$21\frac{9}{11}$ minutes past $4$
Correct Answer: $21\frac{9}{11}$ minutes past $4$
The hands coincide every $\frac{720}{11} \approx 65\frac{5}{11}$ minutes; at $4$ o'clock the coincidence occurs at $\frac{240}{11} = 21\frac{9}{11}$ minutes past $4$. / सुइयाँ $4$ बजे के $240/11 = 21\frac{9}{11}$ मिनट बाद मिलती हैं। Option (a) is the trap of rounding $21\frac{9}{11}$ down to $20$.
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