According to the option- Option 1: p = 5 and q = 2 Sum of the digits = 6+7+4+5+2+0=24 (divisible by 3) Alternating sum=6-7+4-5+2-0=0 (divisible by 11) This option passes the divisibility tests for both 3 and 11.
If the sum of upstream and downstream speed is 48 km/hr and the speed of the current is 4 km/hr. Then find time taken to cover 84 km in downward?
The ratio between the time taken by a boat to cover a certain distance in upstream and the same distance in downstream is 5:1 respectively. The same boa...
Sita can row 8 km/hr in still water. If it takes her three times as long to row up a river as it does to row down the same distance, find the speed of t...
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 1...
The downstream speed of a boat is 6 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 ...
Speed of a boat in still water is three times the speed of the boat in upstream. If the boat takes 40 minutes to cover 15 km in downstream, then find th...
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 man can row his boat with the stream at 42 km/h and against the stream in 7 km/hours. The man’s rate is
The Speed of the ship in calm water is five times the speed of the stream. If the ship can travel 's + 30' km downstream or 's - 10' km upstream in 5 ho...
A motor boat covers a certain distance downstream in a river in 4 hours. It covers the same distance upstream in 4 hours and 30 minutes. If the speed of...
