Class 10 | Chapter 1 | Real Numbers | Exercise 1.1

17 Mar
Class 10 - Chapter 1, Class 10 - Real Numbers, Math - Class 10 | NCERT, , , , , , , , , , ,

Question 1: Use Euclid’s division algorithm to find the HCF of :
(i) 135 and 225 (ii) 196 and 38220 (iii) 867 and 255

Question 2: Show that any positive odd integer is of the form 6q+1, or 6q+3, or 6q+5, where q is some integer.

Question 3: An army contingent of 616 members is to march behind an army band of 32 members in a parade. The two groups are to march in the same number of columns. What is the maximum number of columns in which they can march?

Question 4: Use Euclid’s division lemma to show that the square of any positive integer is either of the form 3m or 3m + 1 for some integer m.

Question 5: Use Euclid’s division lemma to show that the cube of any positive integer is of the form 9m, 9m+1 or 9m+8.

Class 10 | Chapter 1 | All Examples
Class 10 | Exercise 1.2

Class 10 – Mathematics – NCERT Solutions

  1. Real Numbers
  2. Polynomials
  3. Pair of Linear Equation in Two Variables
  1. Quadratic Equations
  2. Arithmetic Progressions
  3. Triangles
    • Exercise 6.1
    • Exercise 6.2
    • Exercise 6.3
  1. Coordinate Geometry
    • Exercise 7.1
    • Exercise 7.2
  2. Introduction to Trigonometry
  3. Some Applications of Trigonometry
    • Exercise 9.1
  4. Circles
    • Exercise 10.1
    • Exercise 10.2
  1. Areas Related to Circles
    • Exercise 11.1
  2. Surface Areas and Volumes
  3. Statistics
    • Exercise 13.1
    • Exercise 13.2
    • Exercise 13.3
  4. Probability

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