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30% of a number exceeds 25% of the same number by 27. What is the value of the number?
The 3rd and 9th term of an arithmetic progression are -8 and 10 respectively. What is the 16th term?
If in a triangle ABC, Sin A = Cos B then the value of Cos C is
If 1/√(1 - sin2A) = x, then the value of x is
ΔDEF is right angled at E. If secD = 25/7, then what is the value of cosecF ?
The value of cos (1110°) is
If x=aCosθCosΦ, y = aCosθSinΦ and z= aSinθ, then the value of x2+ y2 + z2 is