২৬১৫১
The ratio of the speed of boat in still water to the speed of stream is 16: 5. A boat goes 16.5 km in 45 minute upstream , find the time taken by boat to cover the distance of 17.5 km downstream.
উত্তর
25minutes
২৬১৫৩
How many hours will it take a man to travel M miles at miles at the rate of H miles per hour?
উত্তর
M/H
২৬১৫৪
A train passes a platform in 40 sec and a woman standing on the platform in 30 sec. the speed of the train is 108 km / hr, what is the length of the platform?
উত্তর
300 m
২৬১৫৫
The area of a rhombus is 96 sq. cm and the length of one of the diagonals is 16 cm. The length of the other diagonal is __
উত্তর
12
২৬১৫৮
A train 125 m long passes a person , running at 8 km / hr in the same direction in which the train is going in 25 seconds. The speed of the train is:
উত্তর
26
২৬১৫৯
The ratio of two numbers is 3: 4 and their sum is 630. The smaller one of the numbers is __
উত্তর
270