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A candle of 6 cm long burns at the rate ...

A candle of 6 cm long burns at the rate of 5 cm in 5 h and another candle of 8cm long burns at the rate of 6 cm in 4 h. What is the time required by each candle to remain of equal lengths after burning for some hours, when they starts to burn simultaneously with uniform rate of burning?

A

1 h

B

1.5 h

C

2 h

D

none of these

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The correct Answer is:
D
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ARIHANT SSC-TIME, SPEED AND DISTANCE-EXERCISE LEVEL 2
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  3. A candle of 6 cm long burns at the rate of 5 cm in 5 h and another can...

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  8. The sides AB, BC, CA, of a triangle ABC have 3, 4 and 5 interior point...

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  9. Arti and Barkha start swimming towards each other from the deep end an...

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  10. A and B runs around a circular track. A beats B by one round or 10 min...

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  11. A, B and C participated in a race. A covers the same distance in 49 st...

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  12. A drives his car at 360 m/s. Moving ahead for some hours his car break...

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  13. Two persons start from the opposite ends of a 90 km straight track and...

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  14. At what time after 3:10 am, the acute angle made by the minute and hou...

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  16. Rajeev and Sanjeev are too close friends Rajeev's watch gains 1 minute...

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  17. At a railway station a 24 hour watch loses 3 minutes in 4 hours. If it...

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  18. A swiss watch is being shown in a museum which has a very peculiar pro...

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  19. A wrist watch which is running 12 minutes late on a Sunday noon is 16 ...

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  20. A colck loses 2 minutes in an hour and another clock gains 2 minutes i...

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