Sequences and Series Test

Result

Sequences and Series Test - 50

Score
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Rank
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TIME Taken - -

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Weekly Quiz Competition

Question 1
4 / -1

1 + 3 + 7 + 15 + ... 10 terms = _____

A
2012

B
2046

C
2038

D
2036

Solution
Question 2
4 / -1

A

B

C

D

Solution
Question 3
4 / -1

A
2

B
3

C
1

D
0

Solution
Question 4
4 / -1

A
0

B
1

C

D
–2

Solution
Question 5
4 / -1

A
0

B
–1

C

D
–2

Solution
Question 6
4 / -1

A
G.P.

B
A.P.

C
H.P.

D
A.G.P.

Solution
Question 7
4 / -1

If a, b, c are in A. P. and geometric means of ac and ab, ab and bc, ca and cb are d, e, f respectively then e + f, f + d and d + e are in _______

A
G. P.

B
A. P.

C
H. P.

D
A. G. P.

Solution
Question 8
4 / -1

Find out three numbers which are in G. P. such that their summation is 13 and the sum of their squares is 91

A
3, 1, 9

B
1, 3, 9

C
1, 9, 3

D

Solution
Question 9
4 / -1

If S₁, S₂, S₃, ..., Sn be the sum of n terms of n A.P. s whose first terms are 1, 2, 3, ..., n respectively and common differences are 1, 3, 5, ... (2n-1) respectively then

A

B

C

D

Solution
Question 10
4 / -1

0.4 + 0.44 + 0.444 + ... to 2n terms = _____

A

B

C

D

Solution