If x=aCosθCosΦ, y = aCosθSinΦ and z= aSinθ, then the value of x2+ y2 + z2 is
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If (x - 4) (x2 + 4x + 16) = x3 - P, then P is equal to
If A, B and C are denoting Mean, Median and Mode of a data and A : B = 9 : 8. Then the ratio of B : C is
The reciprocal of the sum of the reciprocals of 2/9 and 7/10 is
O is the orthocentre of∆ABC, and if ∠BOC = 110° then ∠BAC will be
What is the average of all natural numbers from 21 to 39?
In the following question, select the odd number from the given alternatives.