NCERT Exemplar Solution for Class 10 Maths: Areas Related to Circles (Part-IB)

Here you get the CBSE Class 10 Mathematics chapter 11, Areas Related to Circles: NCERT Exemplar Problems and Solutions (Part-IB). This part of the chapter includes solutions to Question Number 6 to 10 from Exercise 11.1 of NCERT Exemplar Problems for Class 10 Mathematics Chapter: Areas Related to Circles. This exercise comprises only the Multiple Choice Questions (MCQs) framed from various important topics in the chapter. Each question is provided with a detailed solution.

NCERT Exemplar Solution for Class 10 Maths: Areas Related to Circles (Part-IA)

NCERT exemplar problems are a very good resource for preparing the critical questions like Higher Order Thinking Skill (HOTS) questions. All these questions are very important to prepare for CBSE Class 10 Mathematics Board Examination 2017-2018 as well as other competitive exams.

Find below the NCERT Exemplar problems and their solutions for Class 10 Mathematics Chapter, Areas Related to Circles:

Exercise 11.1

Multiple Choice Questions (Q. No. 6-10)

Question. 6 It is proposed to build a single circular park equal in area to the sum of areas of two circular parks of diameters 16 m and 12 m in a locality. The radius of the new park would be

(a) 10m 

(b) 15m 

(c) 20m 

(d) 24m

Answer. (a)          

Explanation:

According to the question,

Area of bigger circular park, A = Area of first circular park, A₁ + Area of second circular park, A₂

Question. 7 The area of the circle that can be inscribed in a square of side 6 cm is

(a) 36p cm²          

(b) 18p cm²          

(c) 12p cm²          

(d) 9p cm²

Answer. (d)                      

Explanation:

 

 

Question. 8 The area of the square that can be inscribed in a circle of radius 8 cm is

Answer. (b)

Explanation:

Let ABCD be a square inscribed in a circle of radius 8 cm and centre O.

 

 

Question. 9 The radius of a circle whose circumference is equal to the sum of the circumferences of the two circlesof diameters 36 cm and 20 cm is

(a) 56 cm              

(b) 42 cm              

(c) 28 cm              

(d) 16 cm

Answer. (a)

Explanation:

Question. 10 The diameter of a circle whose area is equal to the sum of the areas of the two circles of radii 24 cm and 7 cm is

(a) 31 cm              

(b) 25 cm              

(c) 62 cm              

(d) 50 cm

Answer. (d)          

Explanation:

According to the question,

Area of bigger circle = Area of first circle + Area of second circle

CBSE Class 10 Mathematics Syllabus 2017-2018

CBSE Class 10 NCERT Textbooks & NCERT Solutions

NCERT Solutions for CBSE Class 10 Maths

NCERT Exemplar Problems and Solutions Class 10 Science: All Chapters