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Question
Express 121 as the sum of 11 odd numbers.
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Solution
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
RELATED QUESTIONS
Using the given pattern, find the missing numbers.
12 + 22 + 22 = 32
22 + 32 + 62 = 72
32 + 42 + 122 = 132
42 + 52 + _ 2 = 212
52 + _ 2 + 302 = 312
62 + 72 + _ 2 = __2
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To find pattern:
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Express 49 as the sum of 7 odd numbers.
How many numbers lie between squares of the given numbers?
25 and 26
Square of the number 7 is _________
Is 24 a square number?
A number multiplied by _________ is called square of that number
The next two numbers in the number pattern 1, 4, 9, 16, 25 ... are ______.
The sum of first six odd natural numbers is ______.
The sum of first n odd natural numbers is n2.
Express 81 as the sum of first nine consecutive odd numbers.
