The radius of a hemisphere is 21 cm, what is its volume? (Take π = 22/7)
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What is the simplified value of (cosec A + sin A)(cosec A – sin A)?
'The World Outside My Window' is written by which author?
What is the reason for formation of Mirage in desert?
Which is the CORRECT pair of inherited chromosomes for the child to be a girl?
A series is given with one term missing. Choose the correct alternative from the given ones that will complete the series.DP, EY, FJ, ?
RNA is a polymeric molecule. What does RNA stand for?
The internal bisectors of ∠Q and ∠R of triangle PQR meet at O. If ∠P = 70°, then what is the measure of ∠QOR (in degrees)?