top button
Flag Notify
    Connect to us
      Site Registration

Site Registration

If a five-hour candle and a six-hour candle were lit at the same time, how much time would elapse before one............

+1 vote
296 views

If a five-hour candle and a six-hour candle were lit at the same time, how much time would elapse before one candle would be five times longer than the other?

posted Aug 17, 2019 by Deepak Chitragar

Share this puzzle
Facebook Share Button Twitter Share Button LinkedIn Share Button

1 Answer

0 votes

L - length of the candle
x = hours spent on candle burning.
5L((5 - x)/5) = L((6 - x)/6)
5*(5 - x)*6 = 5*(6 - x)
150 - 30x = 30 - 5x
25x = 120
x = 120/25 = 4 hours & 48 minutes.

answer Aug 18, 2019 by Tejas Naik



Similar Puzzles
0 votes
How much of a start should Bhavesh give to Chetan so they would finish the race at the same time?

There are three runners Ahaan, Bhavesh, and Chetan.
Each runs with a different uniform speed in a 1000 meters race.

If Ahaan gives Bhavesh a start of 50 meters, they will finish the race at the same time.

If Ahaan gives Chetan a start of 69 meters, they will finish the race at the same time.

Suppose Bhavesh and Chetan are in a race.
How much of a start should Bhavesh give to Chetan so they would finish the race at the same time?

+2 votes
If A had walked at double the speed, how much time he would have taken to reach the destination?

The ratio between the rates of walking of A and B is 2:3 and therefore A takes 10 minute more than the time taken by B to reach the destination.

If A had walked at double the speed, how much time he would have taken to reach the destination.

0 votes
Rope sliding on double ramp, how much time would it take before all of the rope is on the right side?

A 1kg rope of length 1.5m slides down a frictionless double ramp in the shape of an equilateral triangle, as shown in the image below. At time t=0, the rope is at rest with of its length 1m on the right side of the ramp.

How much time elapses before all of the rope is on the right side?

Note: Assume g=10

enter image description here

0 votes
Before a final time elapse, There will have been at least two gaps, During gaps, folks time they're biding..............

Before a final time elapse
There will have been at least two gaps

During gaps, folks time they're biding
While a dozen halt their sliding

When a certain red line is crossed
It means that you may have just lost

A masked man sometimes saves the day
Stopping projectiles aimed his way

The appearance of a red light
Brings both vexation and delight

What am I?

0 votes
How can you use any ONE common household object so that when the candle is lit, the wick will go below the water level?

You have a bowl of water. Placed in the center of it is a paraffin candle. The water level is below the top of the wax by about a few milliliters.
How can you use any ONE common household object so that when the candle is lit, the wick will go below the water level with the fire still going? A lighter is provided.

...