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प्रश्न
Express 121 as the sum of 11 odd numbers.
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उत्तर
We know that the sum of first n odd natural numbers is n2.
121 = (11)2
Therefore, 121 is the sum of the first 11 odd natural numbers.
121 = 1 + 3 + 5 + 7 + 9 + 11 + 13 + 15 + 17 + 19 + 21
संबंधित प्रश्न
Observe the following pattern and find the missing digits.
112 = 121
1012 = 10201
10012 = 1002001
1000012 = 1 ______ 2 ______ 1
100000012 = ______
Without adding find the sum:
1 + 3 + 5 + 7 + 9
How many numbers lie between squares of the given numbers?
12 and 13
How many numbers lie between squares of the following numbers?
99 and 100
Square of the number 7 is _________
Is 24 a square number?
A number multiplied by _________ is called square of that number
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 ______.
