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प्रश्न
Express 49 as the sum of 7 odd numbers.
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उत्तर
We know that the sum of first n odd natural numbers is n2.
49 = (7)2
Therefore, 49 is the sum of the first 7 odd natural numbers.
49 = 1 + 3 + 5 + 7 + 9 + 11 + 13
संबंधित प्रश्न
The squares of which of the following would be odd numbers?
- 431
- 2826
- 7779
- 82004
Without adding, find the sum:
1 + 3 + 5 + 7 + 9 + 11 + 13 + 15 + 17 + 19
Without adding, find the sum:
1 + 3 + 5 + 7 + 9 + 11 + 13 + 15 + 17 + 19 + 21 + 23
How many numbers lie between squares of the following numbers?
99 and 100
Fill in the blank box.
1, 3, 6, _______, 15, _______, 28
The next two numbers in the number pattern 1, 4, 9, 16, 25 ... are ______.
The sum of first six odd natural numbers is ______.
Express 81 as the sum of first nine consecutive odd numbers.
The perimeters of two squares are 40 and 96 metres respectively. Find the perimeter of another square equal in area to the sum of the first two squares.
