A house owner makes an increase of 15% in rent. After some time makes a decrease of 10 %.Find the percentage increase in the original rent.​

Kinetic energy of a particle is increased by 300 %.Find the percentage increase in momentum.

If the diagonal of a square is decreased by 15%, find the percentage decrease in its area.

A number is increased by 10% and then it is decreased by 10%. Find the net increase or decrease percent.

A number is increased by 10% and then the increased number is decreased by 10%.The net increase or decrease is

A number is increased by 20% and then it is decreased by 10%. Find the net increase or decrease per cent.

If length of a rectangle is increased by 10% and breadth is increased by 15%, then what will be the percentage increase in the area of rectangle ?

If a copper wire is stretched to make its radius decrease by 0.1% , then the percentage increase in resistance is approximately -