Difference of compound interest and simple interest for 2 years = P(R/100)2= P (5/100)2 ⇒ 664 = P (1/400) ⇒ P = 664 × 400 = Rs. 2,65,600
A boat, whose speed in still water is 25% more than the speed of the current, covers 810 km downstream in _____ hours. The speed of the boat in still wa...
A man goes downstream with a boat to some destination and returns upstream to his original place in 10hours. If the speed of the boat in still water a...
A man can row at 4 kmph in still water. If the velocity of current is 3 kmph and it takes him 8 hour to row to a place and come back, how far is the place?
Two boats A and B start towards each other from two places, 660 km apart. Speed of the boat A and B in still water are 30 km/h and 25 km/h respectively....
A boy can swim a certain distance downstream in 6 hours and return in 7 hours. If the rate of stream is 3 kmph then what is the speed of boy in still wa...
A boat takes 14 hours to travel 112 km against the current. If the speed of the current is 4 km/hr, how much time will it take for the boat to travel 19...
The speed of a boat in still water is 6 km/hr more than that of the current. The time taken by the boat to cover 975 km downstream is 19.5 hours. Find t...
A boat covers a distance of 90 km downstream in 3 hours. If the ratio of upstream speed to downstream speed of the boat is 3:9, then find the distance t...
A boat travelling downstream travels at a speed which is 25% faster than it travels in water that is still. Determine how long it takes the boat to trav...
A boat running downstream covers a distance of 36 km in 6 hrs and covering the same distance upstream in 9 hrs. What is the speed of a boat in still water?
