If x2 + kx + k = 0, has two distinct real solutions, then the value of k will satisfy
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If x2 + ax + b, when divided by x - 3, leaves a remainder of 22 and x2 + bx +a, when divide by x - 3, leaves a remainder of 24, then a + b = ?
For how many positive integers 'n', n3 - 8n2 + 20n - 13 is a prime?
A ball, thrown vertically upward, rises to a height of 80 m and returns to its original position. The magnitude of its displacement after 7 s of motion will be ____. (take g = 10 m/s2)
Simplify : (27)-23
Ms. Sushmitha borrowed Rs. 900 at 6% per annum simple interest. What amount will she pay to clear her debt after 4 years?
Given w = -2, x = 3, y = 0 & z = -1/2. Find the value of 2(w2 + x2 + y2).
Which of the following Newton's laws of motion can explain why a ball thrown at a wall rebounds?
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