# Number Series Online Quiz

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

2345273849235294956492784

Which of the following digits is fifteenth from the right?

Options :

A - 4

B - 2

C - 8

D - 9

### Explanation

The digit 2 is fifteenth from right.

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

### 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

981871761541

Options :

A - 2

B - 1

C - 9

D - 3

### Explanation

The sequence is like: 981 871 761 541 321. 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

### 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 - 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

### Explanation

The third highest number is 535 and sum of its digits will result in 13.

Look at the following numbers and answer the question

535 987 229 406 502

Q 6 - If all the numbers are written in the reverse order, what will be the number formed if 2 is subtracted from all the digits of the 2nd highest number?

Options :

A - 535

B - 567

C - 565

D - 589

### Explanation

After writing the numbers in reverse order, the 2nd highest number is 789. If we will subtract 2 from all the digits then the number that will be formed is 567.

Look at the following numbers and answer the question

471 182 293 546 734

Q 7 - If the highest number is divided by 2, then the number formed will be

Options :

A - 365

B - 370

C - 367

D - 275

### Explanation

734 is the highest number, so when it is divided by 2, the answer is 367.

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

23736479732894782945273849294956492784

How many 9's are there which are immediately preceded by an odd number?

Options :

A - One

B - Two

C - Three

D - Four

### Explanation

There is only one 9 which is immediately preceded by an odd number.

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

234527384929495649278446237863427

How many 7's are there which are immediately preceded by an even number?

Options :

A - One

B - Two

C - Three

D - Four

### Explanation

There are only three 7's which are immediately preceded by an even number.

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

23452737647832748732893849294956492784

How many 9's are there which are immediately followed by an odd number?

Options :

A - One

B - Two

C - Three

D - Four