Number Series Online Quiz


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Following quiz provides Multiple Choice Questions (MCQs) related to Number Series. You will have to read all the given answers and click over the correct answer. If you are not sure about the answer then you can check the answer using Show Answer button. You can use Next Quiz button to check new set of questions in the quiz.

Questions and Answers

Q 1 - Study the following series and answer the question.

2345273849294974898399356492784

How many 8's are there which are immediately preceded by an odd number and immediately followed an even number?

Options :

A - One

B - Two

C - Three

D - Four

Answer : B

Explanation

There are only two 8's which are immediately preceded by an odd number and immediately followed by an even number. They are 384 and 784.

Q 2 - Study the following series and answer the question.

2345273849294956492784

How many 2's are there which are immediately preceded and followed by an odd number?

Options :

A - One

B - Two

C - Three

D - Four

Answer : C

Explanation

There are three 2's which are immediately preceded and followed by an odd number.

Q 3 - Find the next number in the following series

23456234523423

Options :

A - 2

B - 9

C - 7

D - 6

Answer : A

Explanation

The sequence is like: 23456 2345 234 23 2. Hence 2 will come.

Look at the following numbers and answer the question

235 324 765 875 952

Q 4 - What is the sum of 1st and 3rd digit of the 2nd lowest number?

Options :

A - 8

B - 7

C - 9

D - 12

Answer : B

Explanation

The 2nd lowest number is 324 and sum of 3 and 4 is 7.

Look at the following numbers and answer the question

535 987 229 406 502

Q 5 - Which number will be the highest if all the numbers are written in the reverse order?

Options :

A - 535

B - 987

C - 229

D - 406

Answer : D

Explanation

When 229 is written in reverse order, it will be 922, which is the highest number.

Look at the following numbers and answer the question

471 182 293 546 734

Q 6 - If all the numbers are written in reverse order, what is the sum of all the digits of 3rd lowest number?

Options :

A - 11

B - 14

C - 12

D - 13

Answer : B

Explanation

14 will be the number if all the digits of the 3rd highest number is added when all the numbers are reversed.

Look at the following numbers and answer the question

621 597 245 331 208

Q 7 - If all the numbers are written in reverse order, what is the sum of all the digits of 3rd lowest number?

Options :

A - 11

B - 10

C - 12

D - 13

Answer : A

Explanation

11 will be the sum of all the digits of the 3rd highest number.

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

16717182345273848785676489478

Which of the following digits is 8th to the left of 12th digit from right?

Options :

A - 8

B - 3

C - 4

D - 6

Answer : C

Explanation

The 8th digit to the left of 12th digit from right is 4.

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

89474656372345273849294956492784

How many 8's are there which are immediately preceded by an even number?

Options :

A - One

B - Two

C - Three

D - None

Answer : D

Explanation

There is only one 8 which is immediately preceded by an even number.

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

237235721534715745273848785676489478

Which of the following digits is 32nd from right?

Options :

A - 8

B - 3

C - 4

D - 6

Answer : B

Explanation

3 is 32nd digit from right.

reasoning_number_series.htm
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