Tech Mahindra
Company
Numerical Ability
Clocks and Calendars
At what time between 4 and 5 o'clock the hands are in opposite direction?
a) 12 2/11 minutes past 2
b) 3 1/11 minutes past 2
c) 15 minutes past 2
d) 54 6/11 minutes past 2
Read Solution (Total 3)
-
- At 4 o'clock, the hands of the watch are 20 min. spaces apart.
To be in opposite directions, they must be 30 min. spaces apart.
Minute hand will have to gain 50 min. spaces.
55 min. spaces are gained in 60 min.
so ,,
60/55*50== 54 6/11 - 8 years agoHelpfull: Yes(6) No(0)
- in question it is mentioned between 4 and 5 o clock but in options he mentioned past 2 how it is possible
- 8 years agoHelpfull: Yes(4) No(0)
- Formula:
[11/2*(min)] - [30*(hrs)] = Angle
Min = [180 + 120] *(2/11) = 54 6/11 - 8 years agoHelpfull: Yes(3) No(1)
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