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# 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.

2345273849294974898399356492784

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

**Options :**

### 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.

1232132462345273849294956492784

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

**Options :**

### 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

1291239123491234

**Options :**

### Answer : A

### Explanation

The sequence is like: 129 1239 12349. Hence 5 will come.

Look at the following numbers and answer the question

241 422 533 279 488

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

**Options :**

### Answer : B

### Explanation

The 2^{nd} lowest number is 279 and sum of 2 and 9 is 11.

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 :**

### 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

535 987 229 406 502

Q 6 - If 5 is subtracted from all the digits of highest number then the number formed will be

**Options :**

### Answer : A

### Explanation

432 is the number that will be formed if 5 is subtracted from all the digits of highest number that is 987.

Look at the following numbers and answer the question

621 597 245 331 208

Q 7 - What is the sum of 1^{st} and 3^{rd} digit of the 2^{nd} lowest number?

**Options :**

### Answer : B

### Explanation

The 2^{nd} lowest number is 245. Sum of 2 and 5 is 7.

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

2345273848785676489478

Which digit is 16^{th} from right?

**Options :**

### Answer : B

### Explanation

3 is 16^{th} from right.

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

5646546754652345273849294956492784

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

**Options :**

### Answer : A

### Explanation

There are no such 5's.

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

876438737233822345273849294956492784

How many 8's are there which are immediately preceded by an odd number 3?

**Options :**

### Answer : C

### Explanation

There are three 8's which are immediately preceded by the odd number 3.