A's salary was decreased by 50% and subsequently increased by 50%. How much percent does he lose?
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If 8x/3 + [7(5 - 2x/3)]/2 = 1/2 , then what is the value of x?
What is the value of tan 6° tan 36° tan 84° tan 54° tan 45°?
If a3 + b 3 = 35 and ab = 6, then what is the value of a + b?
If 2x+ 4(x - 3) < -2 - x < 2x - 1, then find the value of x.
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 5/6th of 7/6th of a number is 140, then 9/4th of that number is
54% of 4000 is