The following numbers are obviously not perfect squares...

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Published at : 17 Oct 2021
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Question From - Ncert Maths Class 8 Chapter 6 Exercise 6.1 Question - 2 Squares And Square Roots Cbse Rbse Up Mp Bihar Board

==== QUESTION TEXT ====
The following numbers are obviously not perfect squares. Give reason. (i) 1057 (ii) 23453 (iii) 7928 (iv) 222222 (v) 64000 (vi) 89722 (vii) 222000 (viii) 505050

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1.(i) Express 49 as the sum of 7 odd numbers. (ii) Express 121 as the sum of 11 odd numbers.
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2.The squares of which of the following would be odd numbers? (i) 431 (ii) 2826…
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3.Observe the following pattern and find the missing digits. `11^2=121101^2=102011001^2=1002001100001...<br /><a rel="nofollow" target="blank" href="https://youtu.be/pa3CO3amp1E">https://youtu.be/pa3CO3amp1E</a><br /><br />4.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^…
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5.Without adding, find the sum. (i) `1+3+5+7+9` (ii) `1+3+5+7+9+l1+13+15+17+19`
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