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.

21345273849294195649127814

How many 1's are there which are immediately preceded by an even number and immediately followed by an odd number?

Options :

A - One

B - Two

C - Three

D - Four

Answer : B

Explanation

There are only two 1's which are immediately preceded by an even number and immediately followed by an odd number.

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

12332145665478998

Options :

A - 8

B - 9

C - 7

D - 6

Answer : C

Explanation

The sequence is like: 123 321 456 654 789 987. Hence 7 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

241 422 533 279 488

Q 5 - If all the digits are written in reverse order, then what will be the sum of 2nd highest and 3rd highest number?

Options :

A - 1250

B - 1290

C - 1256

D - 1219

Answer : D

Explanation

Addition of 884 and 335 is 1219.

Look at the following numbers and answer the question

471 182 293 546 734

Q 6 - What is the sum of 1st and 3rd digit of the 2nd lowest number?

Options :

A - 4

B - 7

C - 5

D - 12

Answer : C

Explanation

The 2nd lowest number is 293 and addition of 2 and 3 is 5.

Look at the following numbers and answer the question

621 597 245 331 208

Q 7 - If the highest number is divided by 3 then the number formed will be

Options :

A - 207

B - 270

C - 175

D - 275

Answer : A

Explanation

621 is the highest number so it is divided by it, the answer is 207.

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.

7438738972345273848785676489478

Which of the following digits is 3rd to the left of 18th digit from left?

Options :

A - 7

B - 3

C - 4

D - 6

Answer : A

Explanation

The 3rd digit to the left of 18th digit from left is 7.

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

23376478236476238745273848785676489478

Which digit is 16th to left of 5th from right?

Options :

A - 7

B - 3

C - 4

D - 6

Answer : A

Explanation

7 is 16th to the left of 5th from right.

reasoning_number_series.htm
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