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प्रश्न
Three numbers in A.P. have the sum of 30. What is its middle term?
विकल्प
4
10
16
8
उत्तर
10
Explanation:
Let the three numbers be a − d, a, and a + d, where a is the middle term, and d is the common difference.
Given that their sum is 30, we have:
(a − d) + a + (a + d) = 30
3a = 30
a = `30/3`
a = 10
So, the middle term a is 10.
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