10 women and 12 men complete a certain piece of work in 30 days, if each women takes thrice the time taken by a man to finish the work.
Quanti...
If 2y cos θ = x sin θ and 2x sec θ - y cosec θ = 3, then the value of x2+ 4y2 is
...If x4 + 2x3 + ax2 + bx + 9 is a perfect square, where a and b are positive real numbers, then the value of a and b are
If a + 1/a = -2 then the value of a1000 + a- 1000 is
If 3x + 5y + 7z = 49 and 9x + 8y + 21z = 126, then what is the value of y?
If 8x2 + y2 − 12x − 4xy + 9 = 0, then the value of (14x − 5y) is :
x, y and z are real numbers. If x3 + y3 + z3 = 13,x + y + z = 1 and xyz = 1, then what is the value of xy + yz + zx?...
If α and β are the roots of equation x2 – x + 1 = 0, then which equation will have roots α3 and β3?
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is equal to:
If (a + b)/c = 6/5 and (b + c)/a = 9/2, then what is the value of (a + c)/b?
