## Sequence and Series Quiz-4

The unit Sequence and Series holds sheer significance in the JEE Advanced and other engineering exams. It has a weightage of 14% pairing with Circles. With focused practice good marks can be fetched from this section. These questions are important in achieving your success in JEE and Other Engineering Exams..

Q1.
•  ab=cd
•  ac=bd
•  None of These
Solution
Q2.
•
•
•
•  None of These
Solution
Q3.
•  3
•  6/5
•  3/2
•  None of These
Solution

Q4.
•  8
•  9
•  10
•  11
Solution
Q5.
•   256
•   255
•   254
•   None of These
Solution
Q6.
•  40/9
•  38/81
•  36/171
•  None of these
Solution
Q7.The first term of an infinite geometric series is 21. The second term and the sum of the series are both positive integers. Then which of the following is not the possible value of the second term
•   12
•  14
•   18
•   None of These
Solution
Q8.
•  {ℼ/3}
•  {ℼ/3,-2ℼ/3}
•  {-ℼ/3,2ℼ/3}
•  {ℼ/3,2ℼ/3}
Solution
Q9.The coefficient of x19 in the polynomial (x-1)(x-2)(x-22)⋯(x-219) is
•  220-219
•  1-220
•  220
•  None of These
Solution
Q10.  In a G.P. the first, third and fifth terms may be considered as the first, fourth and sixteenth terms of an A.P. Then the forth term of the A.P., knowing that its first term is 5 is
•   10 .
•  12
•  16
•  20
Solution

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