Expand and simplify (x + 5)2 + (x - 3)2
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If cos -4π/3 = x, then the value of x is
If k is the largest possible real number such that p4+q4=(p2+kpq+q2)(p2-kpq+q2), then the value of k is
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A pipe can fill a sump with water in 2 hours. Because of a leak, it took 2 2/3 hrs to fill the sump. The leak can drain all the water of the sump in
If the number x3331 is divisible by 11, what is the face value of x?
To cover a certain distance with a speed of 60 km/hr, a train takes 15 hours. If it covers the same distance in 12 hours, what will be its speed?
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