6722.If the angle of elevation of a tower from a distance of 100 metres from its foot is 60°, the height of the tower is _____?
6723.There are two sections A and B of a class, consisting of 36 and 44 students respectively. If the average weight of section A is 40kg and that of section B is 35kg. Find the average weight of the whole class?
6724.A shopkeeper purchases 5 cartoons in 105 rupees and 8 cartoons in 155 rupees. If a cartoon contains 5 items then average price per item is _____?
6725.The mean weight of 100 students in a class is 46 kg. The mean weight of boys is 50 and of girls is 40 kg. Therefore, the number of boys is _____?
6726.A car that gets 15 miles per gallons of gasoline can travel 250 miles on a full tank. If the same car got 20 miles per gallon, how many miles could it travel on a full tank?
6727.What will be the compound interest on a sum of Rs. 1875 after 2 years if the rate of interest for the first year is 4% and that for the second year is 8%?
6728.If the cost of 2 hens and 3 goats is Rs. 47000 and cost of 5 hens and 1 goat is Rs. 20000. What is the cost of a hen?
6729.A car travels 30km at a uniform speed of 40km/h and next 30 km at a uniform speed of 20km/h. find its average speed?