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 - Find the next number in the following series

8765432112345

Options :

A - 8

B - 9

C - 7

D - 6

Answer : D

Explanation

The sequence is like: 87654321 123456. Hence 6 will come.

Q 3 - Find the next number in the following series

98765987698798

Options :

A - 8

B - 9

C - 7

D - 6

Answer : B

Explanation

The sequence is like: 98765 9876 987 98 9. Hence 9 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 - What is the sum of 1st and 2nd digit of the 2nd lowest number?

Options :

A - 4

B - 7

C - 9

D - 12

Answer : B

Explanation

The 2nd lowest number is 406 and addition of 4 and 0 is 4.

Look at the following numbers and answer the question

471 182 293 546 734

Q 6 - If 1 is subtracted from all the digits of 2nd lowest number, then the number created will be.

Options :

A - 182

B - 189

C - 199

D - 187

Answer : A

Explanation

182 is the number that will be formed if 1 is subtracted from all the digits of 2nd lowest number that is 293.

Look at the following numbers and answer the question

621 597 245 331 208

Q 7 - If all the digits are written in reverse order then what will be the sum of 2nd highest and 3rd highest number?

Options :

A - 1497

B - 1597

C - 1599

D - 1119

Answer : B

Explanation

Addition of 795 and 802 is 1597.

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

23452738487856764894784377389009

Which digit is 24th from left?

Options :

A - 8

B - 3

C - 4

D - 6

Answer : B

Explanation

24th digit from left is 3.

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

743878972345273848785676489478

Which of the following digits is 5th to the right of 7th from left?

Options :

A - 8

B - 3

C - 4

D - 5

Answer : D

Explanation

The 5th digit to the right of 7th digit from left is 5.

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

3786478236478232345273848785676489478

Which of the following digits is 25th from left?

Options :

A - 9

B - 3

C - 8

D - 7

Answer : C

Explanation

8 is 25th from left.

reasoning_number_series.htm
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