Latest IBM Aptitude Question SOLUTION: How many times do the hands of the clock coincide in a day?

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(#M40004309) IBM Numerical Ability question Clock Keep an EYE

How many times do the hands of the clock coincide in a day?

Asked In IBM (13 years ago)

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Anil Kumar Bharti  (11 years ago)

Q.How many times do the hands of a clock coincide in a day?
Ans:
22

Explanation:
The hands of a clock coincide 11 times in every 12 hours (Since between 11 and 1, they coincide only once, i.e., at 12 o'clock).
AM
12:00
1:05
2:11
3:16
4:22
5:27
6:33
7:38
8:44
9:49
10:55


PM
12:00
1:05
2:11
3:16
4:22
5:27
6:33
7:38
8:44
9:49
10:55

The hands overlap about every 65 minutes, not every 60 minutes.
The hands coincide 22 times in a day.

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Hemachandra varma  (6 years ago)

22 times
'the hands of a clock coincide 11 times in every 12 hours (Since between 11 and 1, they coincide only once, i.e., at 12 o'clock). The hands overlap about every 65 minutes, not every 60 minutes. The hands coincide 22 times in a day.

Is this solution Helpfull? Yes | No (1)  

Hakeem Sackes-Bramble  (6 years ago)

23
the clock starts at 12:00 --1
hits 11 times resetting t 12:00-- 12
repeat and reset at 12:00 -- 23

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