Month: October 2018

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NCERT Exemplar Problems Class 7 Maths – Exponents and Powers

NCERT Exemplar Problems Class 7 Maths – Exponents and Powers Question 1: [(- 3)2]3 is equal to (a) (-3)8 (b) (- 3)6 (c) (-3)5 (d) (-3)23 Solution: (b) We know that, if ‘a’ is a rational number, m and n are natural numbers, then (am)n = am x n So, [(- 3)2 ]3 = (-…
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NCERT Exemplar Problems Class 7 Maths – Practical Geometry Symmetry and Visualising Solid Shapes

NCERT Exemplar Problems Class 7 Maths – Practical Geometry Symmetry and Visualising Solid Shapes Question 1: A triangle can be constructed by taking its sides as (a) 1.8 cm, 2.6 cm, 4.4 cm (b) 2 cm, 3 cm, 4 cm (c) 2.4 cm, 2.4 cm, 6.4 cm (d) 3.2 cm, 2.3 cm, 5.5 cm Solution:…
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NCERT Exemplar Problems Class 7 Maths – Algebraic Expression

NCERT Exemplar Problems Class 7 Maths – Algebraic Expression Question 1: An algebraic expression containing three terms is called a (a) monomial (b) binomial (c) trinomial (d) All of these Solution: (c) An algebraic expression containing one term is called monomial, two terms is called binomial and three terms is called trinomial. Question 2: Number…
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NCERT Exemplar Problems Class 7 Maths – Perimeter and Area

NCERT Exemplar Problems Class 7 Maths – Perimeter and Area Question 1 Observe the shapes 1, 2, 3 and 4 in the figures. Which of the following statements is not correct? (a) Shapes 1, 3 and 4 have different areas and different perimeters (b) Shapes 1 and 4 have the same areas as well as…
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NCERT Exemplar Problems Class 7 Maths – Rational Numbers

NCERT Exemplar Problems Class 7 Maths – Rational Numbers Question 1: A rational number is defined as a number that can be expressed in the form p/q, where p and q are integers and (a) q = 0 (b) q = 1 (c) q ≠ 1 (d) q ≠ 0 Solution : (d) By definition,…
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NCERT Exemplar Problems Class 7 Maths – Comparing Quantities

NCERT Exemplar Problems Class 7 Maths – Comparing Quantities Question 1: 20% of 700 m is (a) 560 m (b) 70 m (c)210 m (d)140 m Solution : (d) We have, 20% of 700 m = x 700 = 20 x 7 = 140 m Hence, 20% of 700 m is 140 m. Question 2:…
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NCERT Exemplar Problems Class 7 Maths – Triangles

NCERT Exemplar Problems Class 7 Maths – Triangles Question 1: The sides of a triangle have lengths (in cm) 10, 6.5 and a, where a is a whole number. The minimum value that a can take is (a) 6 (b) 5 (c) 3 (d) 4 Solution : (d) As we know, sum of any two…
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NCERT Exemplar Problems Class 7 Maths – Lines and Angles

  NCERT Exemplar Problems Class 7 Maths – Lines and Angles Question 1: The angles between North and West and South and East are (a) complementary (b) supplementary (c) both are acute (d) both are obtuse Solution : From the above figure, it is clear that the angle between North and West is 90° and…
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NCERT Exemplar Problems Class 7 Maths – Simple Equations

NCERT Exemplar Problems Class 7 Maths – Simple Equations Question 1: Solution: Question 2: If a and b are positive integers, then the solution of the equation ax = b will always be a (a) positive number (b) negative number (c) 1 (d) 0 Solution: (a) Given equation is ax = b On dividing the…
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NCERT Exemplar Problems Class 7 Maths – Data Handling

NCERT Exemplar Problems Class 7 Maths – Data Handling Question 1: Solution: Question 2: The number of trees in different parks of a city are 33, 38, 48, 33, 34, 34, 33 and 24. The mode of this data is (a) 24 (b) 34 (c) 33 (d) 48 Solution: (c) We have, 33, 38, 48,…
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