ABC26GN5221 · Clocks

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

How much does a watch losse per day if its hands coincide every 64 minutes? [IDBI Bank Executive Officers Exam, 2012] 8

(a)37 minutes

(b)32 minutes 11

(c)31 minutes

(d)None of these

Answer

Answer (as printed): B

Explanation

55 minutes spaces are covered in 60 minutes  60  60 minutes spaces are covered in  × 60  minutes  55  5 = 65 minutes 11 5 16 Loss in 64 minute = 65 − 64 = minutes 11 11  16 1  Loss in 24 hours =  × × 24 × 60  minutes  11 64  8 = 32 minutes 11

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

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