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Standard X
Mathematics
Sum of First n Natural Numbers
How many term...
Question
How many terms of the A.P. (3, 5, 7, 9,...) must be taken to get the sum as 120?
A
9
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B
10
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C
11
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D
12
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Solution
The correct option is
B
10
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Similar questions
Q.
How many terms of the A.P,
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9
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−
−
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must be added to get the sum of
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How many terms of the A.P. (3, 5, 7, 9, …) must be taken to get the sum as 80?
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