Math 11 Chapter 6Sequences and SeriesTest - 4

Math 11 Chapter 6
Sequences and Series
Test - 4

1. Middle term of three consecutive term in A.P. is ________ between the extreme terms.

a) Last
b) First
c) First or last
d) None

2. A geometric series cannot contain ____ as a term.

a) -1
b) 1
c) 0
d) None

3. The 8th term of the sequenced 5, 9, 13, ……… is

a) 36
b) 30
c) 33
d) 27

4. Which one is convergent series?

a) 6 + 3 + 3/2 + ………
b) 3, 9, 27, 81,…..
c) 6 + 12 + 24 + 48 + .....
d) 5, 9, 13, 17,…..

5. H. M b/w 1/8 & 1/20 is _______

a) 7 / 80
b) 1 / √ 160
c) 1 / 14
d) 14

6. ________ n A.M'^s between a and b is equal to n times their G.P.

a) Division of
b) Sum of
c) Differ of
d) No answer is correct

7. If 1,3,5 ------- is the sequence then a_n =?

a) 2n +1
b) 3n +1
c) 2n + 2
d) 2n + 3

8. The general term of G. P is

a) a r ⁿ
b) a r ⁿ-1
c) a + (n -1)d
d) a r^n-1

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