(a) The sum of any two odd numbers is an even number. Example: 1 + 3 = 4, 3 + 5 = 8 (b) The sum of any two even numbers is also an even number. Example: 2 + 4 = 6, 6 + 8 = 14 https://www.tiwariacademy.com/ncert-solutions/class-6/maths/chapter-3/
(a) The sum of any two odd numbers is an even number.
Example: 1 + 3 = 4, 3 + 5 = 8
(b) The sum of any two even numbers is also an even number.
Example: 2 + 4 = 6, 6 + 8 = 14
(a) 5 x 1 = 5, 5 x 2 = 10, 5 x 3 = 15, 5 x 4 = 20, 5 x 5 = 25 First five multiples of 5 are 5, 10, 15, 20, 25. (b) 8 x 1 = 8, 8 x 2 = 16, 8 x 3 = 24, 8 x 4 = 32, 8 x 5 = 40 First five multiples of 8 are 8, 16, 24, 32, 40. (c) 9 x 1 = 9, 9 x 2 = 18, 9 x 3 = ,27, 9 x 4 = 36, 9 x 5 = 45 First five multRead more
(a) 5 x 1 = 5, 5 x 2 = 10, 5 x 3 = 15, 5 x 4 = 20, 5 x 5 = 25
First five multiples of 5 are 5, 10, 15, 20, 25.
(b) 8 x 1 = 8, 8 x 2 = 16, 8 x 3 = 24, 8 x 4 = 32, 8 x 5 = 40
First five multiples of 8 are 8, 16, 24, 32, 40.
(c) 9 x 1 = 9, 9 x 2 = 18, 9 x 3 = ,27, 9 x 4 = 36, 9 x 5 = 45
First five multiples of 9 are 9, 18, 27, 36, 45.
Express the following as the sum of two odd numbers: (a) 44 (b) 36 (c) 24 (d) 18
(a) 3 + 41 = 44 (b) 5 + 31 = 36 (c) 7 + 17 = 24 (d) 7 + 11 = 18 https://www.tiwariacademy.com/ncert-solutions/class-6/maths/chapter-3/
(a) 3 + 41 = 44
(b) 5 + 31 = 36
(c) 7 + 17 = 24
(d) 7 + 11 = 18
https://www.tiwariacademy.com/ncert-solutions/class-6/maths/chapter-3/
See lessWhat is the greatest prime number between 1 and 10?
The greatest prime number between 1 and 10 is ‘7’. https://www.tiwariacademy.com/ncert-solutions/class-6/maths/chapter-3/
The greatest prime number between 1 and 10 is ‘7’.
https://www.tiwariacademy.com/ncert-solutions/class-6/maths/chapter-3/
See lessWrite down separately the prime and composite numbers less than 20.
Prime numbers : 2, 3, 5, 7, 11, 13, 17, 19 Composite numbers : 4, 6, 8, 9, 10, 12, 14, 15, 16, 18 https://www.tiwariacademy.com/ncert-solutions/class-6/maths/chapter-3/
Prime numbers : 2, 3, 5, 7, 11, 13, 17, 19
Composite numbers : 4, 6, 8, 9, 10, 12, 14, 15, 16, 18
https://www.tiwariacademy.com/ncert-solutions/class-6/maths/chapter-3/
See lessThe numbers 13 and 31 are prime numbers. Both these numbers have same digits 1 and 3. Find such pairs of prime numbers up to 100.
17 and 71; 37 and 73; 79 and 97 https://www.tiwariacademy.com/ncert-solutions/class-6/maths/chapter-3/
17 and 71; 37 and 73; 79 and 97
https://www.tiwariacademy.com/ncert-solutions/class-6/maths/chapter-3/
See lessWhat is the sum of any two: (a) Odd numbers? (b) Even numbers.
(a) The sum of any two odd numbers is an even number. Example: 1 + 3 = 4, 3 + 5 = 8 (b) The sum of any two even numbers is also an even number. Example: 2 + 4 = 6, 6 + 8 = 14 https://www.tiwariacademy.com/ncert-solutions/class-6/maths/chapter-3/
(a) The sum of any two odd numbers is an even number.
Example: 1 + 3 = 4, 3 + 5 = 8
(b) The sum of any two even numbers is also an even number.
Example: 2 + 4 = 6, 6 + 8 = 14
https://www.tiwariacademy.com/ncert-solutions/class-6/maths/chapter-3/
See lessFind all the multiples of 9 up to 100.
Multiples of 9 up to 100 are: 9, 18, 27, 36, 45, 54, 63, 72, 81, 90, 99 https://www.tiwariacademy.com/ncert-solutions/class-6/maths/chapter-3/
Multiples of 9 up to 100 are: 9, 18, 27, 36, 45, 54, 63, 72, 81, 90, 99
https://www.tiwariacademy.com/ncert-solutions/class-6/maths/chapter-3/
See lessWrite first five multiples of: (a) 5 (b) 8 (c) 9
(a) 5 x 1 = 5, 5 x 2 = 10, 5 x 3 = 15, 5 x 4 = 20, 5 x 5 = 25 First five multiples of 5 are 5, 10, 15, 20, 25. (b) 8 x 1 = 8, 8 x 2 = 16, 8 x 3 = 24, 8 x 4 = 32, 8 x 5 = 40 First five multiples of 8 are 8, 16, 24, 32, 40. (c) 9 x 1 = 9, 9 x 2 = 18, 9 x 3 = ,27, 9 x 4 = 36, 9 x 5 = 45 First five multRead more
(a) 5 x 1 = 5, 5 x 2 = 10, 5 x 3 = 15, 5 x 4 = 20, 5 x 5 = 25
First five multiples of 5 are 5, 10, 15, 20, 25.
(b) 8 x 1 = 8, 8 x 2 = 16, 8 x 3 = 24, 8 x 4 = 32, 8 x 5 = 40
First five multiples of 8 are 8, 16, 24, 32, 40.
(c) 9 x 1 = 9, 9 x 2 = 18, 9 x 3 = ,27, 9 x 4 = 36, 9 x 5 = 45
First five multiples of 9 are 9, 18, 27, 36, 45.
https://www.tiwariacademy.com/ncert-solutions/class-6/maths/chapter-3/
See lessWrite 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
(a) 24 = 1 x 24 = 2 x 12 = 3 x 8 = 4 x 6 = 6 x 4 Factors of 24 = 1, 2, 3, 4, 6, 12, 24 (b) 15 = 1 x 15 = 3 x 5 = 5 x 3 Factors of 15 = 1, 3, 5, 15 (c) 21 = 1 x 21 = 3 x 7 = 7 x 3 Factors of 21 = 1, 3, 7, 21 (d) 27 = 1 x 27 = 3 x 9 = 9 x 3 Factors of 27 = 1, 3, 9, 27 (e) 12 = 1 x 12 = 2 x 6 = 3 x 4 =Read more
(a) 24 = 1 x 24 = 2 x 12 = 3 x 8 = 4 x 6 = 6 x 4
Factors of 24 = 1, 2, 3, 4, 6, 12, 24
(b) 15 = 1 x 15 = 3 x 5 = 5 x 3
Factors of 15 = 1, 3, 5, 15
(c) 21 = 1 x 21 = 3 x 7 = 7 x 3
Factors of 21 = 1, 3, 7, 21
(d) 27 = 1 x 27 = 3 x 9 = 9 x 3
Factors of 27 = 1, 3, 9, 27
(e) 12 = 1 x 12 = 2 x 6 = 3 x 4 = 4 x 3
Factors of 12 = 1, 2, 3, 4, 6, 12
(f) 20 = 1 x 20 = 2 x 10 = 4 x 5 = 5 x 4
Factors of 20 = 1, 2, 4, 5, 10, 20
(g) 18 = 1 x 18 = 2 x 9 = 3 x 6
Factors of 18 = 1, 2, 3, 6, 9, 18
(h) 23 = 1 x 23
Factors of 23 = 1, 23
(i) 36 = 1 x 36 = 2 x 18 = 3 x 12 = 4 x 9 = 6 x 6
Factors of 36 = 1, 2, 3, 4, 6, 9, 12, 18, 36
https://www.tiwariacademy.com/ncert-solutions/class-6/maths/chapter-3/
See less