Question
5 11 23 43 85 171
341 Find the wrong number in the following number series:Solution
A person from the top of a hill observes a vehicle moving towards him at a uniform speed. It takes 10 minutes for the angle of depression to change from...
A and B can finish a work working on alternate days in 19 days, when A works on the 1st day. Similarly, they can finish the work working on alternate da...
Pipes A and B can fill an empty tank in 6 and 8 hours respectively, while pipe C can empty the full tank in 10 hours. If all three pipes are opened toge...
A motorboat whose speed is 20 km/h in still water takes 30 minutes more to go 24 km upstream than to cover the same distance downstream. If the speed of...
What % of a day is 30 minutes ?
The total age of 'R' and 'D' eight years ago was thirty-six. Four years separate 'R' and 'D' in age. Determine the sum of total age (in years) between '...
The diameters of three inlet pipes of a cistern are 1.5 cm, 2 cm and 2.5 cm respectively. The pipe with the maximum diameter can alone fill up the ciste...
A car running with a speed of 69 km/hr takes 28 hours to go from 'A' to 'B'. If on the way back from 'B' to 'A', the car takes 20% less time than it tak...
A trip from Mumbai to Pune takes 4 hours 30 minutes at a speed of 60 km/hr. How long (in hours) will it take to complete, if the speed is 15m/sec?
A can do a certain work in the same time in which B and C together can do it. If A and B together could do it in 12 days, and C alone in 24 days, in wha...