Simplification Questions

• What is the value of √[(1 + sinA)/(1 - sinA)]?
• The sum of 4x + 3y 7z, x y z and 2x 3y + 4z is
• If (1 + sinA)/cosA + cosA/(1 + sinA) = x, then the value of x is
• If cos 2π/3c = x, then the value of x is
• If cot(A/2) = x, then the value of x is
• The points A(x,2), B(2,1) and C(6,3) are collinear. Find x?
• Given: x - 5 ≤ 2x - 3 and 2x - 1/2 ≥ 5x + 2; then x can take which of the following values?
• Find the value of 199992 x 200008 = ?
• Which of the following quadratic equations has real roots?
• The solution set of 4x - 3y = 10 and 3x + y = 14 is
• If 16% of an electricity bill is deducted, Rs 1806 is still to be paid. How much was the bill?
• What is the value of 5.6x0.36+0.42x3.20.8 x 2.1 ?
• What is the value of 1.23+0.83+0.73-2.0161.351.22+0.82+0.72-0.96-0.84-0.56 =
• What is the value of S = 11x3x5 + 11x4 + 13x5x7 + 14x7 + 15x7x9 + 17x10 + ... upto 20 terms. Then what is the value of S?
• Which of the following is TRUE?
• A and B are positive integers. If A + B + AB = 65, then what is the difference between A and B (A, B ≤ 15)?
• What is the value of 143 + 163 + 183 + ... + 303?
• What is the value of 4600+540+1280+250+36 ?
• If x + y + z = 0, then what is the value of (3y2 + x2 + z2 )/(2y2 – xz)?
• If P = 7 + 4√3 and PQ = 1, then what is the value of 1/P2 + 1/Q2 ?