Number Series - Solved Examples


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Q 1 − Find the next number in the following series

345634567345678345678

Options :

A - 8

B - 9

C - 7

D - 6

Answer - B

Explanation

The sequence is like: 3456 34567 345678. Hence 9 will come.


Q 2 − Find the next number in the following series

1212312341234512345

Options :

A - 5

B - 9

C - 7

D - 6

Answer - D

Explanation

The sequence is like: 12 123 1234 12345. Hence 6 will come.


Q 3 − Find the next number in the following series

122123323443455

Options :

A - 4

B - 5

C - 7

D - 6

Answer - A

Explanation

The sequence is like: 12 21 23 32. Hence 4 will come.


Q 4 − Find the next number in the following series

243546576

Options :

A - 2

B - 9

C - 8

D - 6

Answer - C

Explanation

The sequence is like: 24 35 46 57 68. Hence 8 will come.


Q 5 − Find the next number in the following series

43554665776887

Options :

A - 1

B - 9

C - 2

D - 6

Answer - B

Explanation

The sequence is like: 435 546 657 768 879. Hence 9 will come.


Q 6 − Study the following series and answer the question.

2345273849294956492784

How many 4’s are there which are immediately preceded by an even number?

Options :

A - One

B - Two

C - Three

D - Four

Answer - C

Explanation

There are only three 4’s which are immediately preceded by an even number.


Q 7 − Study the following series and answer the question.

2345273849294956492784

How many 4’s are there which are immediately followed by an odd number?

Options :

A - One

B - Two

C - Three

D - Four

Answer - D

Explanation

There are four 4’s which are immediately followed by an odd number.


Q 8 − Study the following series and answer the question.

2345273849294956492784

How many 2’s are there which are immediately preceded by an even number?

Options :

A - One

B - Two

C - none

D - more than two

Answer - C

Explanation

There are no 2’s which are immediately preceded by an even number.


Q 9 − Study the following series and answer the question.

2345273849294956492784

How many 5’s are there which are immediately preceded by an even number?

Options :

A - One

B - Two

C - Three

D - Four

Answer - A

Explanation

There is only one 5 which is immediately preceded by an even number.


Q 10 − Study the following series and answer the question.

2345273849294956492784

How many 2’s are there which are immediately followed by a number 7?

Options :

A - None

B - Two

C - Three

D - Four

Answer - B

Explanation

There are only two 2’s which are immediately followed by number 7.



reasoning_number_series.htm
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