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.

2345273848785676489478

Which of the following is the 5th digit to the left of 12th digit from left?

Options :

A - 8

B - 3

C - 4

D - 6

Answer : B

Explanation

The 5th digit to the left of 12th digit from left is 3.

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

1232132462345273849294956492784

How many 3's are there which are immediately preceded and followed by an even number?

Options :

A - One

B - Two

C - Three

D - Four

Answer : B

Explanation

There are only two 3's which are immediately preceded and followed by an even number.

Q 3 - Find the next number in the following series

12323334345356367

Options :

A - 5

B - 3

C - 7

D - 6

Answer : B

Explanation

The sequence is like: 123 233 343 453 563 673. Hence 3 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 each number is written in reverse order, then the lowest number formed will be

Options :

A - 224

B - 142

C - 335

D - 972

Answer : B

Explanation

The number 142 is the lowest number that is formed after writing numbers in reverse order.

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

471 182 293 546 734

Q 7 - If all the numbers are written in the reverse order, what will be the number formed if 2 is added to all the digits of the 2nd highest number?

Options :

A - 659

B - 624

C - 665

D - 789

Answer : A

Explanation

After writing the numbers in reverse order, the 2nd highest number is 437. If we will add 2 to all the digits then the number that will be formed is 659.

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

253452738492949564927584

How many 5's are there which are immediately preceded by an odd number?

Options :

A - One

B - Two

C - Three

D - Four

Answer : B

Explanation

There are only two 5's which are immediately preceded by an odd number.

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

498390809234527384929049564920784

How many 0's are there which are immediately followed by an odd number?

Options :

A - One

B - Two

C - Three

D - Four

Answer : B

Explanation

There are only two 0's which are immediately followed by an odd 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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