1

IIT-JEE 2000 Screening

MCQ (Single Correct Answer)

+2

-0.5

Consider an infinite geometric series with first term a and common ratio $$r$$. If its sum is 4 and the second term is 3/4, then

2

IIT-JEE 1999

MCQ (Single Correct Answer)

+2

-0.5

The harmonic mean of the roots of the equation $$\left( {5 + \sqrt 2 } \right){x^2} - \left( {4 + \sqrt 5 } \right)x + 8 + 2\sqrt 5 = 0$$ is

3

IIT-JEE 1999

MCQ (Single Correct Answer)

+2

-0.5

Let $${a_1},{a_2},......{a_{10}}$$ be in $$A,\,P,$$ and $${h_1},{h_2},......{h_{10}}$$ be in H.P. If $${a_1} = {h_1} = 2$$ and $${a_{10}} = {h_{10}} = 3,$$ then $${a_4}{h_7}$$ is

4

IIT-JEE 1998

MCQ (Single Correct Answer)

+2

-0.5

Let $$n$$ be an odd integer. If $$\sin n\theta = \sum\limits_{r = 0}^n {{b_r}{{\sin }^r}\theta ,} $$ for every value of $$\theta ,$$ then

Questions Asked from Sequences and Series (MCQ (Single Correct Answer))

Number in Brackets after Paper Indicates No. of Questions

JEE Advanced 2016 Paper 2 Offline (1)
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IIT-JEE 2007 (6)
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IIT-JEE 2000 Screening (1)
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IIT-JEE 1990 (1)
IIT-JEE 1988 (1)
IIT-JEE 1985 (1)
IIT-JEE 1983 (1)
IIT-JEE 1982 (2)

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