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Numerical Ability
Probability
How many times do the hands of a clock coincide in 5hrs
Read Solution (Total 11)
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- In T hours the minute hand completes T laps, in the same amount of time hour hand will complete T/12 times.
the formula is T=(T/12)+1.
so in 5 hours ,
5=(5/12)+1
55/12
=4.5
i.e 4 times
- 10 years agoHelpfull: Yes(8) No(9)
- 5 times since in each hour it would conincide once
- 10 years agoHelpfull: Yes(6) No(6)
- we know that both are coincide at 12.00pm or 12.00am.
again they will coincide at 1hour(60/11)min, 2hours(120/11), 3hours(180/11min), 4hours(240/11)min.
ans 5times
- 10 years agoHelpfull: Yes(4) No(0)
- Minute and Hour Hand coincides after every 65511So after coinciding at 1200 they will coincide at105211316422527and so onSo between 1200 and 500Including both both hand will coincide 5 timesHence answer will be 5
- 10 years agoHelpfull: Yes(3) No(4)
- we know that:-
in 12 hr it coincide 11 times
so in 5 hr it will coincide 11/12*5 =4.5 timea approx ,
am i right?? - 10 years agoHelpfull: Yes(3) No(2)
- 5 times Let we start from 1200am all three hands first coincide at 12 oclockand then at 15521010 31515 and 42020
- 10 years agoHelpfull: Yes(1) No(3)
- it is not mentioned from what time the 5 hrs is being started... so if it starts from a begaining of hours like 1 pm o/am or 12 pm/am or it is being started from middle like 10:30 or like that.. for the first case it will coincide 5 and for the second case it will coincide 4... so go with options.. plz make me correct if i am wrong..
- 10 years agoHelpfull: Yes(1) No(3)
- what is its sure answer?
plz tell..
- 10 years agoHelpfull: Yes(1) No(0)
- ans is 4 times.
- 10 years agoHelpfull: Yes(0) No(2)
- 5!/2!(5-2)!= 10
5 hrs n hands r two n in each hr they ll cll at least two times - 10 years agoHelpfull: Yes(0) No(3)
- in 24 hours hour hand and minute hand coincide 22 times
therefore in 5 hours:- (22*5)/24=4.5 times
- 10 years agoHelpfull: Yes(0) No(0)
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