ABC26GN5197 · Clocks

Subject: General Aptitude · Chapter: Clocks · Exam: · Marks: · Difficulty:

A clock gains 5 minutes in one hour. Therefore, the angle traversed by the minute hand in 1 hour is

(a)360°

(b)390°

(c)390.5°

(d)None of these

Answer

Answer (as printed): B

Explanation

Clearly, the minute hand traverses 65 minutes in 1 hour. $$\text { ∴ } \text { Required angle }=\left(\frac{360}{60} \times 65\right)^{\circ}=390^{\circ} .$$

Explanation as extracted from the printed page; notation may be imperfect.

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