Given that the ratio of altitudes of two triangles is 4 : 5, ratio of their areas is 3 : 2. The ratio of their corresponding bases is
300 grams of sugar solution has 40% of sugar in it. How much sugar should be added to make it 50% in the solution
Ram sold two horses at the same price. In one he gets a profit of 10% and in the other he gets a loss of 10%. Then Ram gets
If a shopkeeper wants to give 20% discount on a toy. he has to sell it for INR 300. If he sells it at INR 405, then his gain percent is
A car covers four successive 7 km distances at speeds of 10 km/hour, 20 km/ hour, 30 km/hour, 60 km/hour respectively. Its average speed over his distance is
A man starts from a place P and reaches the place Q in 7 hours. He travels 1/4 th of the distance at 10 km/hour and the remaining distance at 12 km/hour. The distance, in kilometre, between P and Q is