A sphere has the same curved surface area as a cone of vertical height 40 cm and radius 30 cm. The radius of the sphere is
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ABCD is a quadrilateral with AB = 9 cm, BC = 40 cm, CD = 28 cm, DA = 15 cm and angle ABC is a right –angel. What is the area of triangle ADC?
The sum of three numbers is 2, the 1st number is 1/2 times the 2nd number and the 3rd number is 1/4 times the 2nd number. The 2nd number is
In the first 36 overs of a cricket match, the run rate was 4.3 runs/over. Calculate the required run rate in the remaining 14 overs to reach the target of 271 runs?
The vertical angle A of an isosceles triangle ΔABC is three times the angle B of it. The measure of the angle A is
What least number must be subtracted from 3401, so that the sum is completely divisible by 11?
If x - y = -8 and xy = 45, then (x2 + y2) is