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If the average of twelve consecutive even numbers is 113, find the sum of the 3rd and 8th numbers among them?
  • a)
    252
  • b)
    242
  • c)
    232
  • d)
    222
Correct answer is option 'D'. Can you explain this answer?
Verified Answer
If the average of twelve consecutive even numbers is 113, find the su...
Let the 1st number = x
According to the question,
x + (x+2) + (x+4) + ...... + (x+22) = 113*12
12x + 132 = 1356
12x = 1224
x = 102
Therefore 3rd number = 102 + 4 = 106
8th number = 102 + 14 = 116
Hence the required answer = 106 + 116 = 222
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If the average of twelve consecutive even numbers is 113, find the sum of the 3rd and 8th numbers among them?a)252b)242c)232d)222Correct answer is option 'D'. Can you explain this answer?
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