Tech Mahindra
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Numerical Ability
Clocks and Calendars
what is the time in between the 8.00 and 9.00 hrs the two hands are in same line not for the co incidence(plz use the formula [11/2(m)-30(h)])
Read Solution (Total 8)
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- let it becomes in same line in after x miny=utes
for minute hand,
in 60 min it it cover the angle = 360
1 ,.........................= 360/60=6
x...........................= 6x
for hour hand,
in 60 min it cover the angle = 30
in 1........................... = 30/60= .5
in x ......................... = .5x
according to question,
60+.5x = 6x
x= 120/11 = 10+10/11 - 10 years agoHelpfull: Yes(5) No(1)
- let same linein after x minutes.
minute hand:
for 60 min it cover angle 360
....1....................360/60
...x....................6x
hour hand:
for 60 min it cover angle 30
....1...................30/60
....x....................0.5x
now obviously the hour hand are place between 8 and 9
so,the min hand cover angle 12 hrs to 8hrs+0.5x
means,240+0.5x=6x
x=43.63 min
- 10 years agoHelpfull: Yes(4) No(1)
- min hand should be in b/w 8 and 10
so take minimum number i.e 8
then 8*5=40
so min=40+40/11
=44.63 min
therefor time=43.63min - 10 years agoHelpfull: Yes(2) No(0)
- 8 AM 5 MIN 30 SEC
- 10 years agoHelpfull: Yes(1) No(1)
- (60/55)*10 = 120/11
cazzz - 10 years agoHelpfull: Yes(1) No(1)
- (60/55)*40=43.63 mint
- 10 years agoHelpfull: Yes(1) No(0)
- 8hr 43 minute 7/11 seconds
- 10 years agoHelpfull: Yes(0) No(1)
- it is not for coincidence ,so pls dont consider for 40 mins
consider for 40-30 = 10
so answer is 10 10/11 past 8 - 8 years agoHelpfull: Yes(0) No(0)
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