Find the approximate simple interest on Rs. 2000 from March 9, 2010 to May 21, 2010 at 8.25% per annum.
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Δ DEF is right angled at E. If m∠F = 45°, then what is the value of 2 Sin F x Cot F?
Calculate the value of ∡OBC + ∡BAC, if O is the circum-center of the triangle ABC inscribed in the circle.
In a triangle ABC, ∠A = 70°, ∠B = 80° and D is the incentre of ΔABC. ∠ACB = 2x° and ∠BDC = y°. The values of x and y, respectively are
Find the volume (in cm3) of a hemisphere of diameter 42 cm.
In a rectangle _____.
By what least number should 1200 be multiplied so that it becomes a perfect square?
Which of the following fractions is largest?