3.
The sum of successive odd numbers 1, 3, 5, 7, 9, 11, 13 and 15 is
12.
Radhika bought a car for Rs 2,50,000. Next year its price decreased by 10% and further next year it decreased by 12%. In the two years overall decrease per cent in the price of the car is
14.
4 squares each of the side 10 cm have been cut from each corner of a square sheet of paper of size 100 cm x 100 cm. From the remaining piece of paper, an isosceles right triangle is removed whose equal sides are each of 10 cm length. Find the area of the remaining part of the paper.