At what rate of simple interest per annum an amount will be doubled in 10 years?
What is the chance of getting a 2 or 4 in rolling a die?
The solutions to x 2+6x+9 = 0 is .......................
How many balls of radius 4cm can be made from a solid sphere of lead of radius 8 cm?
1/tan Θ= .........
Two poles of heights 6 metres and 11 metres stand on a plane ground. If the distance between their feet is 12 metres then find the difference in the distance between their tops: