IF the radiud of a sphere is increaded by 10% , how much will the surface area be increaded in ercentage?

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Job Solution Probashi Kallyan Bank অফিসার (জেনারেল) - 12.11.2021 গণিত
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A rectuangle is 14 cm long and 10 cm wide . If the length is reduces by x cm and its width is increade also by x cm so as to make a squre , then its area increased by-

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A bag contains 2 red Roses, 4 yellow Roses and 6 pink Roses. Two roses are drawn at random. What is the probability that they are not of same color?

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A hall is 15 m long and 12 m broad. If the sum of the areas of the floor and the ceiling is equal to the sum of the areas of four walls, the volume of the hall is?

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A cylindrical rod of iron, whose height is equal to its radius, is melted and cast into spherical balls whose radius is half the radius of the rod . Find the number of balls.

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