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- What is the common difference of an A P. in which a21-a7=84
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- If a tower 30 m high, casts a shadow 10sqrt3 m long on the ground, th...
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- The probability of selecting a rotten apple randomly from a heap of 90...
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- Find the value of p, for which one root of the quadratic equation px^2...
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- Which term of the sequence 20 ,19 1/4, 18 1/2, 17 3/4,dot is the first...
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- Prove that the tangents drawn at the end points of a chord of a circle...
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- A circle touches all the four sides of a quadrilateral ABCD. Prove tha...
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- If the point P(x, y) is equidistant from the points A(5, 1) and B(-1,5...
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- If (a^2+b^2)x^2+2(ab+bd)x+c^2+d^2=0 has real roots then
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- In an A.P. first term is 5, last term is 45 and sum = 400 . Find the n...
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- On a straight line passing through the foot of a tower, two points C a...
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- A bag contains 15 white and some black balls. If the probability of d...
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- In what ratio does the point (24/11,y) divide the line segment joinin...
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- Three semicircles each of diameter 3 cm, a circle of diameter 4·5 cm a...
09:35
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- Water in a canal, 2·4 m wide and 1·8 m deep, is flowing with a speed o...
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- The slant height of a frustum of a cone is 4 cm and the perimeters ...
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- Solve for x : 1/(x+1)+3/(5x+1)=5/(x+4), x != -1,-1/5,-4
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- Two taps running together can fill a tank in 3(1/13) hours. If one tap...
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- If the ratio of the sum of first n terms of two AP's is (7n+1) : (4n +...
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- Prove that the length of the tangents drawn from an external point to ...
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