3. Playing with Numbers Mathematics Exercise - 3.1 class 6 Maths in English - CBSE Study
NCERT Solutions for Class 6 Mathematics are carefully prepared according to the latest CBSE syllabus and NCERT textbooks to help students understand every concept clearly. These solutions cover all important 3. Playing with Numbers with detailed explanations and step-by-step answers for better exam preparation. Each Exercise 3.1 is explained in simple language so that students can easily grasp the fundamentals and improve their academic performance. The study material is designed to support daily homework, revision practice, and final exam preparation for Class 6 students. With accurate answers, concept clarity, and structured content, these NCERT solutions help learners build confidence and score higher marks in their examinations. Whether you are revising a specific topic or preparing an entire chapter, this resource provides reliable and syllabus-based guidance for complete success in Mathematics.
Class 6 English Medium Mathematics All Chapters:
3. Playing with Numbers
1. Exercise 3.1
Exercise-3.1
Q1. Write all the factors of the following numbers :
(a) 24 (b) 15 (c) 21
(d) 27 (e) 12 (f) 20
(g) 18 (h) 23 (i) 36
Solution: Q1.
(a) All factors of 24 are 1, 2, 3, 4, 6, 8, 12, 24.
(b) All factors of 15 are 1, 3, 5, 15.
(c) All factors of 21 are 1, 3, 7, 21.
(d) All factors of 27 are 1, 3, 9, 27.
(e) All factors of 12 are 1, 2, 3, 4, 6, 12.
(f) All factors of 20 are 1, 2, 4, 5, 10, 20.
(g) All factors of 18 are 1, 2, 3, 6, 9, 18.
(h) All factors of 23 are 1, 23.
(i) All factors of 36 are 1, 2, 3, 4, 6, 9, 12, 18, 36.
Q2. Write first five multiples of :
(a) 5 (b) 8 (c) 9
Solutions: Q2.
(a) First five multiples of 5 are 5, 10, 15, 20, 25.
(b) First five multiples of 8 are 8, 16, 24, 32, 40.
(c) First five multiples of 9 are 9, 18, 27, 36, 45.
Q3. Match the items in column 1 with the items in column 2.
| Column 1 | Column 2 |
| (i) 35 | (a) Multiple of 8 |
| (ii) 15 | (b) Multiple of 7 |
| (iii) 16 | (c) Multiple of 70 |
| (iv) 20 | (d) Factor of 30 |
| (v) 25 | (e) Factor of 50 |
| (e) Factor of 20 |
Solution: Q3.
(Answer is write in the front of column 1)
(i)35 (b) Multiple of 7
(ii)15 (d) Factor of 30
(iii)16 (a) Multiple of 8
(iv)20 (f) Factor of 20
(v)25 (e) Factor of 50
Q4. Find all the multiples of 9 upto 100.
Solution: Q4.
Answer- 9 x 1 = 9
9 x 2 = 18
9 x 3 = 27
9 x 4 = 36
9 x 5 = 45
9 x 6 = 54
9 x 7 = 63
9 x 8 = 72
9 x 9 = 81
9 x 10 = 90
9 X 11 = 99
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