Question
After how many years, Rs. 4400 will become 5324 at the
rate of 10% p.a., compounded annually?Solution
Let number of years be ‘n’ years So, 5324 = 4400(1 + 10/100)n Or, 5324/4400 = (11/10)n (11/10)2 = (11/10)n Number of years = ‘n’ = 2 years
A boat goes 52 km in Downstream in 4 hours and takes 5 hours to complete a distance of 15 km in upstream. Find the speed of boat in still water.
A boat running downstream covers a distance of 55 km in 5 hrs and covering the same distance upstream in 11 hrs. What is the speed of a boat in still wa...
The downstream speed of a boat is 4 km/hr more than its upstream speed and the ratio of the speed of the boat in still water to the speed of the stream ...
A boat goes 200 km with the current in 10 hours, and returns the same distance against the current in 20 hours. Find the speed of the boat in still water.
A boat goes 12 km downstream in 2 hr and returns in 3 hr. Find speed of stream.
A boat running downstream covers a distance of 32 km in 4 hrs and covering the same distance upstream in 16 hrs. What is the speed of a boat in still wa...
Motor boat covers a certain distance downstream in a river in 20 hours. It covers the same distance upstream in 30 hours. If the speed of the water is ...
A man can row at 2 kmph in still water. If the velocity of current is 1 kmph and it takes him 4 hour to row to a place and come back, how far is the place?
The speed of the boat in still water is 10 km/hr and the speed of the stream is 5 km/hr. A boat goes 75 km downstream with its usual speed but at the ti...
Speed of a boat in still water to speed of boat in upstream is 16: 13. If the boat can travel 228 km in downstream in 6 hours, then find the time taken ...