১৫৩২২
The sum and difference of the L.C.M and H.C.F of two numbers are 592 and 518 respectively. If the sum of the numbers be 296, find the product of the numbers.
উত্তর
20535
১৫৩২৪
A train is moving at the rate 8 mi/h along a piece of circular track of radius 2,500 ft. Through what angle does it turn in 1 min?
উত্তর
0.2816 rad or 16.13°
১৫৩২৬
A man in a train notice that he can count 21 telephone posts in one minute. If they are known to be 50 meters apart, then at what speed is the train travelling?
উত্তর
60 kmph
১৫৩২৮
A tradesman sold an article at a loss of 20%. If the selling price had been increased by 100 taka, there would have been a gain of 5%. What was the cost price of the article
উত্তর
400 taka
১৫৩৩০
Find two numbers such that their mean proportional is 6 and third proportional is 20.25.
উত্তর
4 and 9