| | - Teacher Name : Rakesh
- Total Questions : 20
- Time Allowed : 60
- Total Marks : 20
Q 1 :If the radius of a circle is doubled, its area becomes: Q 2 :Brahmagupta's formula applies specifically to: Q 3 :If the area of a square is 64 cm², what is one side? Q 4 :Distance covered by a wheel of diameter d in one revolution: Q 5 :Area of an equilateral triangle of side a: Q 6 :The stagger in a circular race track depends on: Q 7 :Perimeter of a semicircular protector of radius r: Q 8 :Area of sector, r=6 cm, angle=60°: Q 9 :Area of triangle with sides 13,14,15 cm: Q 10 :Area of square inscribed in circle radius r: Q 11 :Area of rectangle: Q 12 :If areas of circles are 4:9, circumference ratio is: Q 13 :If circumference doubles from 2π to 4π, area: Q 14 :Circumference formula: Q 15 :Area of parallelogram: Q 16 :In Heron's formula, s stands for: Q 17 :Area of circle inscribed in square of side 10 cm: Q 18 :Area of trapezium: Q 19 :Area of annulus: Q 20 :Ancient Indian mathematicians who calculated π accurately:
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