a vagabond runs out of cigarettes. he searches for the stubs, having learnt 7 stubs can make new cigarette , good enough to be smoked , he gathers 49 stubs, if he smokes 1 cigarette every three- quaters of an hour, how long his supply last
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5.25 hrs
7 stubs make a cig
so he had 49 stubs=so can make 7 cigs out of it
each full cig takes 45mins..
so 7 cigs take=7×45mins= 315mins
315÷60=5.25hrs
7 stubs make a cig
so he had 49 stubs=so can make 7 cigs out of it
each full cig takes 45mins..
so 7 cigs take=7×45mins= 315mins
315÷60=5.25hrs
karmany007:
but the answer said by my sir is 6hrs
may be... 5hrs +15mins that would make his 6th hr? wat say
the total answer is 6hrs notapprox answer
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