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STD X      ACHIEVEMENT TEST      CHAPTER 12 AREA RELATED TO CIRCLES
STD X
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NAME OF THE STUDENT *
DIVISION *
ROLL NO *
Q.1) The perimeter of a circle having radius 5cm is equal to: *
1 point
Q.2) The area of a sector of a circle with radius 6 cm if the angle of the sector is 60°. *
1 point
Q.3) In a circle of radius 21 cm, an arc subtends an angle of 60° at the centre. The length of the arc is; *
1 point
Q.4) In a circle of radius 21 cm, an arc subtends an angle of 60° at the centre. The area of the sectorformed by the arc is: *
1 point
Q.5) If the circumference of a circle and the perimeter of a square are equal, then *
1 point
Q.6) The area of a quadrant of a circle whose circumference is 22 cm, is *
1 point
Q.7) Area of the largest triangle that can be inscribed in a semi-circle of radius r units, in square units is: *
1 point
Q.8) The wheel of a motorcycle is of radius 35 cm. The number of revolutions per minute must thewheel make so as to keep a speed of 66 km/hr will be *
1 point
Q.9) ABCDEF is any hexagon with different vertices A, B, C, D, E and F as the centres of circles withsame radius r are drawn. The area of the shaded portion is *
1 point
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Q.10) A round table cover has six equal designs as shown in the figure. Ifthe radius of the cover is 28 cm, then the cost of making the designat the rate of ` 0.35 per cm2is: *
1 point
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