Find the middle term of the series 1+5+9...

Find the middle term of the series 1+5+9+…+101.

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49, 53

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CHHAYA PUBLICATION-SEQUENCE AND SERIES-Exercise 9 B (Long Answer Type Questions)

The first and last terms of an A.P. are a and l respectively. If S be ...
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If the first, second and last terms of A.P. be a, b, and c respectivel...
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If S(n) be the sum of n consecutive terms of an A.P. show that, S(n+...
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If S(n) be the sum of n consecutive terms of an A.P. show that, S(n+...
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Let a(n) denote the n-th term of an A.P. and p and q be two positive i...
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Find the sum of the three-digited natural numbers which leave a remain...
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Between the roots of the quadratic equation 3px^(2) - 10px + 5q = 0 (p...
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Let a(n) be the nth term of an A.P. and a(3) + a(5) + a(8) + a(14) + a...
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Find the sum upto the nth term of the series (1+3) + (5+7+9+11) + (13 ...
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If S(1), S(2), S(3) are the sums of n natural numbers, their squares, ...
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If a(1) = 2 and a(n) - a(n-1) = 2n (n ge 2), find the value of a(1) + ...
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Find the middle term of the series 1+5+9+…+101.
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If (b^(2) + c^(2) - a^(2))/(2bc), (c^(2) + a^(2) - b^(2))/(2ca), (a^(2...
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To verify the cash balance, the auditor of Jaya Bank Ltd. Employs his ...
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A polygon has 25 sides, the lengths of which starting from the smalles...
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A sets out from a certain place and tavels 1 mile the first day, mile...
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A man arranges to pay off a debt of Rs. 12000 in 30 annual instalments...
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A man divides Rs. 24000 among his four sons in such a way that the amo...
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Two posts are offered to a man. In the first one, the starting salary ...
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The salary of a man starts at Rs. 800 and increases annually by Rs. 20...
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