Mathematics MCQs
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361.If the radius of a circle be reduced by 50% its area is reduced by:____?
362.If the radius of a circle is increased to 3 times, then how many times will it’s circumference be increased?
363.If the radius of the sphere is doubled then it’s volume is increased by?
364.If the roots of a quadratic equation are 20 and -7, then find the equation?
365.If the side of a square is increased by 25 %. Then its area is increased by:____?
366.If the side of a square is increased by 25% then it’s area is increased by____?
367.If the side of a square is increased by 30 %. Its area is increased by:____?
368.If the sides of a triangle are 26 cm, 24 cm and 10 cm, what is its area?
369.If the simple interest on a sum of money for 2 years at 5% per annum is Rs. 50, what is the compound interest on the
370.If the sum of a number and its square is 182, what is the number ?