Question

Please give any hard questions of mathematics class 10 sa2

Answer 1

on a certain sum and a certain rate percent, the SI for the first year is Rs270. and the CI for the first two years is Rs 580.50.find the sum n the rate percent.

Answer 2

 1.In fig, a square OABC is inscribed in a quadrant OPBQ of a circle. If OA = 20 cm, find the area of the shaded region. (Use π = 3.14)