NCERT Exemplar Problems Class 9 Maths – Quadrilaterals Question 1: Three angles of a quadrilateral are 75°, 90° and 75°, then the fourth angle is (a) 90° (b) 95° (c) 105° (d) 120° Solution: (d) Given, ∠A = 75°, ∠B = 90° and ∠C = 75° We know that, sum of all the1 angles of…
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NCERT Exemplar Problems Class 9 Maths – Triangles Question 1: Which of the following is not a criterion for congruence of triangles? (a) SAS (b) ASA (c) SSA (d) SSS Thinking Process For triangle to be congruent it is very important that the equal angles are included between the pairs of equal sides. So, SAS…
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NCERT Exemplar Problems Class 9 Maths – Lines and Angles Question 1: In figure, if AB || CD || EE, PQ || RS, ∠RQD = 25° and ∠CQP = 60°, then ∠QRS is equal to (a) 85° (b)135° (c)145° (d) 110° Solution: (c) Given, PQ || RS ∠PQC = ∠BRS = 60° [alternate exterior angles…
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NCERT Exemplar Problems Class 9 Maths – Introduction to Euclid’s Geometry Question 1: The three steps from solids to points are (a) solids-surfaces-lines-points (b) solids-lines-surfaces-points (c) lines-points-surfaces-solids (d) lines-surfaces-points-solids Solution: (a) The three steps from solids to points are solids-surfaces-lines-points. Question 2: The number of dimensions, a solid has (a) 1 (b) 2 (c) 3…
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NCERT Exemplar Problems Class 9 Maths – Linear Equations in Two Variables Question 1: The linear equation 2x – 5y = 7 has (a) a unique solution (b) two solutions (c) infinitely many solutions (d) no solution Solution: (c) In the given equation 2x – 5y = 7, for every value of x, we get…
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NCERT Exemplar Problems Class 9 Maths – Coordinate Geometry Question 1: Point (-3, 5) lies in the (a) first quadrant (b) second quadrant (c) third quadrant (d) fourth quadrant Thinking Process (i) Firstly, check the sign of each coordinate of a point. (ii) If both coordinates x and y has same positive sign i.e., (+,…
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NCERT Exemplar Problems Class 9 Maths – Polynomials Question 1: Which one of the following is a polynomial? Solution: Question 2: √2 is a polynomial of degree (a) 2 (b) 0 (c) 1 (d)½ Solution: (b) √2 = -√2x°. Hence, √2 is a polynomial of degree 0, because exponent of x is 0. Question 3:…
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NCERT Exemplar Problems Class 9 Maths – Number Systems Question 1: Every rational number is (a) a natural number (b) an integer (c) a real number (d) a whole number Solution: (c) Since, real numbers are the combination of rational and irrational numbers. Hence, every rational number is a real number. Question 2: Between two…
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NCERT Exemplar Problems Class 8 Mathematics Rational Numbers Data Handling Square-Square Root and Cube-Cube Root Linear Equations in One Variable Understanding Quadrilaterals and Practical Geometry Visualising Solid Shapes Algebraic Expressions, Identities and Factorisation Exponents and Powers Comparing Quantities Direct and Inverse Proportion Mensuration Introduction to Graphs Playing with Numbers
NCERT Exemplar Problems Class 8 Mathematics Chapter 12 Introduction to Graphs Question. 1 Comparison of parts of a whole may be done by a (a) bar graph (b) pie chart (c) linear graph (c) line graph Solution. (b) There are various ways to represent and compare the data. One of them is pie chart. Pie…
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