There are two candles with different heights and thicknesses.The shorter one lasts 11 hours and the longer one lasts 7 hours when both are lit simontaneously . If after 3 hours of their being lit together at the same time , both have same length , then ratio of their original lengths is ?

Question

anonymous · Answer

anyone

anonymous · Answer

spouse that X is the length of the tall one. and Y is the length of the short one. then :
(4*x)/7 = (8*y)/11 =>
y=0.78*x

anonymous · Answer

suppose candle to be cylindrical
the options are 
5:8
11:14
10:13
7:11

anonymous · Answer

there is thickness also

anonymous · Answer

and this ques is supposed to be for 8th class LOL!

anonymous · Answer

ok see : I said that y=0.7857142857*x then if x=14 (the second option) =>
y= 0.7857142857 * 14=11

anonymous · Answer

this is the right answer : 11:14
you dont have to use thickness to solve this problem

anonymous · Answer

WOW