What is the slope of the line perpendicular to the line passing through the points (8,2) and (3,1)?
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If tanA + tanB = X, then the value of X is
If the zeroes of the polynomial x2 - ax + b are 3 and 4, then 'a' and 'b' are respectively equal to
A ladder 13 m long reaches a window which is 12 m above the ground on side of a street. Keeping its foot at the same point, the ladder is turned to the other side of the street to each a window 5m high, then the width of the street is :
If the shopkeeper sells an item at Rs 1600 which is marked as Rs 2000, then what is the discount he is offering?
If a4 + 1 = [a2 /b2 ] (4b2 – b4 – 1), then what is the value of a4 + b4?
What is the value of √[(1 + sinA)/(1 - sinA)]?
What number should be added to each of 4, 16, 18 and 58 so that the resulting numbers will be in proportion in the given order?