find the sum of first 24 natural numbers
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the sum of first 24 natural no.s is 300
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Answer: 300
Step-by-step explanation:
Let, the first element a, last element b, number of element n, sum of n terms Sn
By the question, a=1 , b=24, n=24
∴The sum of first 24 natural numbers,
Sn = n/2[a+b]
=24/2[1+24]
=12×25
=300
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