If 1/6 of x - 7/2 of 3/7 equals - 7/4, then the value of x is
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p3 + q3 + r3 – 3pqr = 4. If a = q + r, b = r + p and c = p + q, then what is the value of a3 + b3 + c3 – 3abc?
If x - y = -8 and xy = 45, then (x2 + y2) is
If (7x - 13) (12x + 3) = 14, then the value of x is ______ .
If (sinA + CosA)/(sin A - cos A) = 5/4, the value of (tan2A + 1)/(tan2A - 1) = ?
3cosA is equal to
What is the value of Cot 60 - Sec 30?
Find the LCM of 12, 16, 20 and 24.