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A vessel is in the form of inverted cone its height is 8 cm and the radius of its top which is open is 5 centimetre it is filled with water up to the brim when lead shots each of which is a sphere of radius 0.5 cm are dropped into the vessels one fourth of water flow out find the number of lead shot drop into the vessels.

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A gulab jamun contains sugar syrup up to about 30% of its volume. Find approximately how much syrup would be found in 45 gulab jamuns, each shaped like a cylinder with two hemispherical ends with length 5 cm and diameter 2.8 cm.

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Class 10, Trigonometry, If tan A = n tan B, Sin A = m sin B, show cos^2 A= (m^2 -1)/(n^2 -1), Very important Question for Board from Trigonometry by Deepak Rajoria

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Best Maths Classes in Aligarh by Deepak Rajoria, Maths with Deepak Rajoria, Best Coaching classes in Aligarh for Mathematics, Focus Classes

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