sir,i will be completing my BE this may with electronics. i
am very much intersted in joining railways job. but due to
lack of information regarding the same, i am helpless to
step in this field. i think, i am capable to get
selected.please help me with your guidance regarding how
should i prepare and for what profile in railways.
Two candles of the same length but different thickness are
lighted simultaneously. The thicker candle is supposed to
burn for six hours while the thinner one is to last for two
hours less. How many hours after they are lighted, the
thicker candle will be double the length of the other one ?
(a) 1 hour
(b) 2 hours
(c) 3 hours
(d) 4 hours