Sequence and Series

A test from chapter 6 i.e Sequence and Series of Mathematics part 1. This is Free online test for FSc and Entry test Preparation for UET, NUST, FAST, GIKI, PIEAS, NFC, Punjab University, UHS, other Engineering Universities and Medical Colleges.

1. The range of sequence whose nth term is, (-1)^n (2n-3), is

A) 1,1,-3,5,....
B) {1,-3,5,.....}
C) R
D) 1,-1,3,-3,5,-5...

2. None of the terms of a G.P is

A) one
B) one or zero
C) zero
D) both A and B

3. Sum of 100 A.Ms between -1 and 1 is

A) 100
B) 0
C) 50
D) 200

4. If 5th term of an A.P is 16 and the 20th term is 46, what is 12th term

A) 21
B) 52
C) 60
D) 30

5. The reciprocal of A.P is

A) H.P
B) G.P
C) May or may not H.P
D) always A.P

6. In a geometric series if r=-1, then the series is called

A) infinite
B) H.P
C) Oscillatory
D) A.P

7. How many two digit numbers are there which are divisible by 7?

A) 13
B) 14
C) 15
D) 98

8. 23rd term of the A.P 7,5,3,1,... is

A) -51
B) 37
C) -37
D) 53

9. The sum of the series 5+13+21+...+181 is

A) 2139
B) 2476
C) 2219
D) 2337

10. If a, b, c are in G.P, then loga, logb, logc are in

A) A.P
B) G.P
C) H.P
D) Aor B