The three sides of a triangle are x+1, 2x-1 and 3x+1 respectively and the perimeter is 25 cm. The length of the smallest side is-

If the length of a rectangle is increased by 20% and width is decreased by 20% what is the change in area of t...

In how many ways a team of 11 members can be formed from a group of 15 students if a students who is the owner...

At the beginning of a class period, half of the students in a class go to the library. Later in the period, ha...

The dimensions of a box are 2, 3 and 4 meters. The cost of painting the outer sides of the box at the rate of...

A coin is tossed twice. What is the probability of getting head on first toss and tail on second toss?

The average of eight numbers in 14. The average of six of these numbers 16. The average of the remaining two n...