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MARVEL PUBLICATION-SEQUENCES AND SERIES -MULTIPLE CHOICE QUESTIONS
- 11^(2)+12^(2)+13^(2)+ cdots +32^(2)=
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- Suppose that F(n +1) =( 2f(n)+1)/2 for n = 1, 2, 3,.....and f(1)= 2 ...
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- If a, b, c, d, e, f are in А.Р., then e-c is equal to
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- If the middle term amongst any odd number (n) consecutive terms of an ...
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- The sum of all 2 digit odd numbers is
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- The middle term of the progression 20,16,12, cdots , -176,-180 is (a)-...
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- If the first and the last terms of an A.P. are -4 and 146 respectivel...
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- The sum of an A.P. is 525. If its first term is 3 and the last term is...
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- If the first term of an A.P. is 100 and the sum of its first 6 terms i...
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- Sum of all two digit numbers which when divided by 4 yield unity as re...
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- If the sum of any number of consecutive terms of a sequence is always ...
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- If the sum of the first n terms of an A.P. is pn+qn^(2) then its commo...
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- The sum of the series a-(a+d)+(a+2d)-(a+3d)+ up to (2n+1) terms is -n ...
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- If Sn=n P+(n(n-1))/2Q ,w h e r eSn denotes the sum of the first n term...
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- Four different integers form an increasing A.P .One of these numbers i...
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- If in an A.P. {t(n)}, it is given that t(p)=q and t(q)=p then : t(p+q)...
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- If in an A.P. {t(n)}, it is given that p.t(p)=q.t(q) then : t(p+q)= cd...
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- If a ,1/b ,a n d1/p ,q ,1/r from two arithmetic progressions of the co...
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- If S(n) is the sum of the first n terms of an A.P. then : (a) S(3n)=3(...
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- If in an A.P., S(2n)=3.S(n) then S(3n) : S (n)= (a)5 (b) 6 (c)7 (d)8
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