If P = 7 + 4√3 and PQ = 1, then what is the value of 1/P2 + 1/Q2?
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If x + y + z = 0, then what is the value of (3y2 + x2 + z2 )/(2y2 – xz)?
What is the value of 4600+540+1280+250+36 ?
What is the value of 143 + 163 + 183 + ... + 303?
A and B are positive integers. If A + B + AB = 65, then what is the difference between A and B (A, B ≤ 15)?
N is the largest two digit number, which when divided by 3, 4 and 6 leaves the remainder 1, 2 and 4 respectively. What is the remainder when N is divided by 5?
Which of the following is TRUE?
What is the value of S = 11x3x5 + 11x4 + 13x5x7 + 14x7 + 15x7x9 + 17x10 + ... upto 20 terms. Then what is the value of S?
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