## Sequence and Series Quiz-1

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.  If x,2y,3z are in A.P., where the distinct numbers x,y,z are in G.P., then the common ratio of the G.P. is
•  3
•  1/3
•  2
•  1/2
Solution
Q2.
•  ab
•  -nab
•  (n+1)ab
•  nab
Solution
Q3.
•  2/8
•  2/12
•  2/3
•  2/2
Solution

Q4. Consider the sequence 1, 2, 2, 4, 4, 4, 4, 8, 8, 8, 8, 8, 8, 8, 8, … Then 1025th term will be
•  29
•  211
•  210
•  212
Solution
Q5. If x,y,z are in G.P. and ax=by=cz, then
•   log ba = logac
•   log cb = logac
•   log ba = logcb
•   None of These
Solution
Q6.
•  246
•  646
• 446
•  746
Solution
Q7.
•  20
•  21
•  40
•  38
Solution
Q8.
•  11
•  12
•  10
•  9
Solution
Q9.
•  4
•  log4
•  log2
•  None of These
Solution
Q10.  The sum 1+3+7+15+31+⋯ to 100 terms is
•  2100 - 102 .
•  299-101
•  2 101-102
• None of These
Solution

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