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Imagine a railway station clock with the second-hand on the same axis as the two other hands.
How often in a 24-hour day, will the second-hand be parallel to either of the two other hands?
1] 5474 2] 5174 3] 5714 4] 5724
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- i don't underrstant how 1 hr 4 parallel times and next 2 mins 3times please explain me
- 11 years agoHelpfull: Yes(4) No(1)
- 3] 5714
24 hours means 1440 mins
in 1 hour 59 mins will be 4 times parallel
and last 2 min will be 3 times parallel
so (58x4+2x3)x24=5712
for every 12 hours 1 times also parallel
so for 24 hours 5712+2=5714 - 11 years agoHelpfull: Yes(2) No(17)
- i can't understand.......plz solve this question....plzzz
- 11 years agoHelpfull: Yes(0) No(1)
- please explain the answers clearly, i m not getting any thing :(
- 11 years agoHelpfull: Yes(0) No(1)
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