The least number to be added to 435 to make it a perfect square is
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The length of a chord which is at a distance of 5cm from the centre of a circle of radius 13cm is
A cone of height 12 cm and diameter 10 cm is mounted on a hemisphere of the same diameter. What is the volume of the solid thus formed?
Find the total surface area (in cm2) of a right circular cone of diameter 21 cm and slant height 11 cm.
A circle has points P, Q, R on a circle in such a way that angle PQR is 60 deg and angle QRP is 80 deg. Calculate the angle subtended by an arc QR at the centre.
Calculate the ratio of the area of two similar triangles if the sides of the triangles are in the ratio of 9:4.
Which of the following can't be the unit's digit of a perfect square?
Simplify 50 + 18 - 8
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