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  • Class 9 Maths Study Material

An Educational platform for Preparation and Practice Class 9. Kidsfront provide unique pattern of learning Maths with free online comprehensive study material in the form of QUESTION & ANSWER for each Chapter of Maths for Class 9. This study material help Class 9, Maths students in learning every aspect of Circles. Students can understand Circles concept easily and consolidate their learning by doing Online Practice Tests on Maths,Circles chapter repeatedly till they excel in Class 9, Circles. Free ONLINE PRACTICE TESTS on Class 9, Circles comprise of Hundreds of Questions on Circles, prepared by the highly professionals team. Every repeat test of Circles will have new set of questions and help students to prepare themselves for exams by doing unlimited Online Test exercise on Circles. Attempt ONLINE TEST on Class 9,Maths,Circles in Academics section after completing this Circles Question Answer Exercise.

Unique pattern

  • Topic wise:Circles preparation in the form of QUESTION & ANSWER.
  • Evaluate preparation by doing ONLINE TEST of Class 9, Maths,Circles.
  • Review performance in PRACTICE TEST and do further learning on weak areas.
  • Attempt repeat ONLINE TESTS of Maths Circles till you excel.
  • Evaluate your progress by doing ONLINE MOCK TEST of Class 9, Maths, All TOPICS.

A sector of 110, cut out from a circle, has an area of 44/7 sq. cm. Find the radius of the circle.

a) 5 cm
b) 2 cm
c) 4 cm
d) 3 cm

Correct Answer Is : 2 cm
Solution Is :
The number of points that can be drawn through three non-collinear points is:

a) Zero
b) Only One
c) Two
d) Three

Correct Answer Is : Only One
Solution Is :
Two circles are said to be concentric, if:

a) They have the same radius
b) They have the same radii
c) They have the same center
d) Their centers are colinear

Correct Answer Is : They have the same center
Solution Is :
Give two concentric circles with center O. A line cut the circles at A, B, C, D, respectively if AB = 10 cm, then length CD is:

a) 5 cm
b) 7.5 cm
c) 10 cm
d) None of these

Correct Answer Is : 7.5 cm
Solution Is :
A chord of a circle divides the circular region into two parts, the region which contains the center is known as:

a) Major arc
b) Minor arc
c) Major segment
d) Minor segment

Correct Answer Is : Major segment
Solution Is :
Two concentric circles form a ring. The inner and outer circumferences of the ring are 264/7 m and 440/7 m respectively. Find the width of the ring.

a) 4 cm
b) 5 cm
c) 3 cm
d) 6 cm

Correct Answer Is : 4 cm
Solution Is :
The inner circumference of a circular race track, 15m wide, is 880 m. Find the radius of the outer circle.

a) 150 m
b) 155 m
c) 158 m
d) 159 m

Correct Answer Is : 155 m
Solution Is :
A wheel makes 1000 revolutions in covering a distance of 132 km. Find the radius of the wheel.

a) 20 m
b) 22 m
c) 21 m
d) 23 m

Correct Answer Is : 21 m
Solution Is :
The area of a circular field is 13.86 hectares. Find the cost of fencing it at the rate of Rs. 4.40 per meter.

a) Rs. 5800
b) Rs. 5806
c) Rs.5808
d) Rs. 5810

Correct Answer Is : Rs.5808
Solution Is :
If the radius of the circle is decreased by 50%, find the percentage decrease in its area.

a) 25%
b) 50%
c) 75%
d) 100%

Correct Answer Is : 75%
Solution Is :
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