Without adding, find the sum. (i) `1+3+5+7+9` (ii) `1+3+5+7+9+l1+13+15+17+19`...

Question From - NCERT Maths Class 8 Chapter 6 EXERCISE 6.1 Question – 7 SQUARES AND SQUARE ROOTS CBSE, RBSE, UP, MP, BIHAR BOARD

QUESTION TEXT:-
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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Related Questions & Solutions:

1. What will be the unit digit of the squares of the following numbers? (i) 81 (ii) 272 (iii) 799 (iv) 3853 (v) 1234 (vi) 26387 (vii) 52698 (viii) 99880 (ix) 12796 (x) 55555...

2. 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...

3. The squares of which of the following would be odd numbers? (i) 431 (ii) 2826 (iii) 7779 (iv) 82004...

4. Observe the following pattern and find the missing digits. `11^2=121101^2=102011001^2=1002001100001^2=12110000001^2`...

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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[manyadahiya]

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[soniyagurung]

Plzz tell me what is the answer of 1+3+5+7+9+11+13+15 plzz tell me🙏🏻❣️