## Sequence and Series Quiz-5

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. Consider an A.P. a1,a2,a3,… such that a3+a5+a8=11 and a4+a2=-2, then the value of a1+a6+a7 is
•  -8
•  5
•  7
•  9
Solution
Q2. If a,b,c are in A.P., then a/bc,1/c,2/b will be in
•  A.P.
•  G.P.
•  H.P.
•  None of these
Solution
Q3.   If the sum to infinity of the series 1+2r+3r2+4r3+⋯ is 9/4, then value of r is
•  1/2
•  1/3
•  1/4
•  None of These
Solution

Q4. If 12+22+32+⋯+20032=(2003)(4007)(334) and (1)(2003)+(2)(2002)+(3)(2001)+⋯+(2003)(1)=(2003)(334)(x), then x equals
•  2005
•  2004
•  2003
•  2001
Solution

Q5.
•   n2
•   2n
•   n2-2n
•   None of These
Solution
Q6. Let the positive numbers a,b,c, and d be in A.P. Then abc,abd,acd, and bcd are
•   Not in A.P./G.P./H.P.
•  IN A.P.
• IN G.P.
•  IN H.P.
Solution
Q7. If the sum of first n terms of an AP is cn^2, then the sum of squares of these n terms is
•
•
•
•
Solution
Q8.
•  21
•  15
•  16
•  19
Solution
Q9. The sum of an infinite geometric series is 162 and the sum of its first n terms is 160. If the inverse of its common ratio is an integer, then which of the following is not a possible first term?
•  108
•  144
•  160
•  None of These
Solution
Q10.  If the sides of a triangle are in G.P., and its largest angle is twice the smallest, then the common ratio r satisfies ratio r satisfies the inequality
•   .
•
•
• None of These
Solution

#### Written by: AUTHORNAME

AUTHORDESCRIPTION

## Want to know more

Please fill in the details below:

## Latest NEET Articles\$type=three\$c=3\$author=hide\$comment=hide\$rm=hide\$date=hide\$snippet=hide

Name

ltr
item
BEST NEET COACHING CENTER | BEST IIT JEE COACHING INSTITUTE | BEST NEET & IIT JEE COACHING: Sequence and Series-Quiz-5
Sequence and Series-Quiz-5
https://1.bp.blogspot.com/-1BvXQVm_qNk/YN1KIfR24II/AAAAAAAAAMk/ty-u_cZRjAwN9duvDGtTLK1tLhk2EVgTQCPcBGAYYCw/w640-h338/image.png
https://1.bp.blogspot.com/-1BvXQVm_qNk/YN1KIfR24II/AAAAAAAAAMk/ty-u_cZRjAwN9duvDGtTLK1tLhk2EVgTQCPcBGAYYCw/s72-w640-c-h338/image.png
BEST NEET COACHING CENTER | BEST IIT JEE COACHING INSTITUTE | BEST NEET & IIT JEE COACHING
https://www.cleariitmedical.com/2021/07/sequence-and-series-quiz-5.html
https://www.cleariitmedical.com/
https://www.cleariitmedical.com/
https://www.cleariitmedical.com/2021/07/sequence-and-series-quiz-5.html
true
7783647550433378923
UTF-8

STAY CONNECTED