Find the sum of all even numbers between 1 and 350

1.	Find the sum of all even numbers between 1 and 350
Answer» Answer: 30102 Step-by-step explanation: This is an arithmetic PROGRESSION series where a=2, d=2, TN=350 and we NEED to find out “n”, USING the FORMULA, Tn = a+(n-1)d 350 = 2 + (n-1)2 348/2 = n-1 n = 173 Substituting the value of n in the formula of Sn, we get Sn = n/2 * [2a+(n-1)d] Sn = 173/2 [22 + (173–1)2] Sn = 173/2 348 Sn = 30102

Answer»

Answer:

30102

Step-by-step explanation:

This is an arithmetic PROGRESSION series where a=2, d=2, TN=350 and we NEED to find out “n”, USING the FORMULA,

Tn = a+(n-1)d

350 = 2 + (n-1)2

348/2 = n-1

n = 173

Substituting the value of n in the formula of Sn, we get

Sn = n/2 * [2a+(n-1)*d]

Sn = 173/2 [2*2 + (173–1)*2]

Sn = 173/2 * 348

Sn = 30102

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Find the sum of all even numbers between 1 and 350​

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Find the sum of all even numbers between 1 and 350