Chapter 6 – Squares and Square Roots
1. Which of the following numbers are not perfect cubes? (iii) 1000
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Oct
1. Which of the following numbers are not perfect cubes? (iii) 1000 1. Which of the following numbers are not perfect cubes? (iii) 1000 October 11, 2020 Category: Chapter 6 - Squares and Square Roots , Maths , NCERT Class 8 ,
1. Which of the following numbers are not perfect cubes? (ii) 128
11
Oct
1. Which of the following numbers are not perfect cubes? (ii) 128 1. Which of the following numbers are not perfect cubes? (ii) 128 October 11, 2020 Category: Chapter 6 - Squares and Square Roots , Maths , NCERT Class 8 ,
1. Which of the following numbers are not perfect cubes? (i) 216
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Oct
1. Which of the following numbers are not perfect cubes? (i) 216 1. Which of the following numbers are not perfect cubes? (i) 216 October 11, 2020 Category: Chapter 6 - Squares and Square Roots , Maths , NCERT Class 8 ,
9. How many numbers lie between squares of the following numbers? i. 12 and 13 ii. 25 and 26 iii. 99 and 100
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Oct
9. How many numbers lie between squares of the following numbers? i. 12 and 13 ii. 25 and 26 iii. 99 and 100 9. How many numbers lie between squares of the following numbers? i. 12 and 13 ii. 25 and 26 iii. 99 and 100 October 11, 2020 Category: Chapter 6 - Squares and [...]
8. (ii) Express 121 as the sum of 11 odd numbers. Solution:
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Oct
8. (ii) Express 121 as the sum of 11 odd numbers. Solution: 8. (ii) Express 121 as the sum of 11 odd numbers. Solution: October 11, 2020 Category: Chapter 6 - Squares and Square Roots , Maths , NCERT Class 8 ,
8. (i) Express 49 as the sum of 7 odd numbers.
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Oct
8. (i) Express 49 as the sum of 7 odd numbers. 8. (i) Express 49 as the sum of 7 odd numbers. October 11, 2020 Category: Chapter 6 - Squares and Square Roots , Maths , NCERT Class 8 ,
7. Without adding, find the sum. i. 1 + 3 + 5 + 7 + 9 ii. 1 + 3 + 5 + 7 + 9 + I1 + 13 + 15 + 17 +19 iii. 1 + 3 + 5 + 7 + 9 + 11 + 13 + 15 + 17 + 19 + 21 + 23
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Oct
7. Without adding, find the sum. i. 1 + 3 + 5 + 7 + 9 ii. 1 + 3 + 5 + 7 + 9 + I1 + 13 + 15 + 17 +19 iii. 1 + 3 + 5 + 7 + 9 + 11 + 13 + 15 + 17 + 19 [...]
6. Using the given pattern, find the missing numbers. 1^2 + 2^2 + 2^2 = 3^2 2^2 + 3^2 + 6^2 = 7^2 3^2 + 4^2 + 12^2 = 13^2 4^2 + 5^2 + _^2 = 21^2 5^2 + _^2 + 30^2 = 31^2 6^2 + 7^2 + _ ^2 = _ ^2
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Oct
6. Using the given pattern, find the missing numbers. 1^2 + 2^2 + 2^2 = 3^2 2^2 + 3^2 + 6^2 = 7^2 3^2 + 4^2 + 12^2 = 13^2 4^2 + 5^2 + _^2 = 21^2 5^2 + _^2 + 30^2 = 31^2 6^2 + 7^2 + _ ^2 = _ ^2 6. Using [...]
5. Observe the following pattern and supply the missing numbers. 11^2 = 121 101^2 = 10201 10101^2 = 102030201 1010101^2 = ……………………… …………^2 = 10203040504030201
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Oct
5. Observe the following pattern and supply the missing numbers. 11^2 = 121 101^2 = 10201 10101^2 = 102030201 1010101^2 = ……………………… …………^2 = 10203040504030201 5. Observe the following pattern and supply the missing numbers. 11^2 = 121 101^2 = 10201 10101^2 = 102030201 1010101^2 = ……………………… …………^2 = 10203040504030201 October 11, 2020 Category: Chapter [...]