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 Three terms in A.P. are such that their sum is 45. What is the middle term?
  • a)
    25
  • b)
    30
  • c)
    15
  • d)
    10
Correct answer is option 'C'. Can you explain this answer?
Verified Answer
Three terms in A.P. are such that their sum is 45. What is the middle ...
Let the three numbers be a-d, a, a+d
ATQ,
a - d + a + a + 2d = 45
3a = 45
a = 15
Middle term is 15
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Most Upvoted Answer
Three terms in A.P. are such that their sum is 45. What is the middle ...
Solution:

Let the three terms be a-d, a and a+d.

Given, a-d + a + a+d = 45
=> 3a = 45
=> a = 15

Therefore, the middle term is a = 15.

Hence, the correct answer is option (c).
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Three terms in A.P. are such that their sum is 45. What is the middle ...
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Three terms in A.P. are such that their sum is 45. What is the middle term?a)25b)30c)15d)10Correct answer is option 'C'. Can you explain this answer?
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