The surface area of a sphere is 1386 cm2. Find its diameter (in cm)
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If cosec∅+sin∅cosec∅-sin∅=53 then the value of sin∅is equal to
The radius of two cylinders are in the ratio of 3:2 and their heights are in the ratio 3:7. The ratio of their volumes is :
ABCD is a quadrilateral in which BD and AC are diagonals then
Two circles touch externally. The sum of their areas is 130π sq.cm and the distance between their centers is 14 cm. The radius of the bigger circle is
In the following question, select the odd word from the given alternatives.
If the shopkeeper sells an item at Rs 1000 which is marked as Rs 1250, then what is the discount he is offering?
In the triangle ABC, the internal bisector of angle A meets the side BC at D. If BD=7.5 cm and BC=9 cm. Then calculate the value of AB:AC.