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.

2345273849235294956492784

Which of the following digits is fifteenth from the right?

Options :

A - 4

B - 2

C - 8

D - 9

Answer : B

Explanation

The digit 2 is fifteenth from right.

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

547348783748938949384

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

Options :

A - One

B - Two

C - Three

D - Four

Answer : B

Explanation

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

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

241 422 533 279 488

Q 4 - If the digits of all the given numbers in written in reverse order, which of them will become the highest?

Options :

A - 279

B - 241

C - 422

D - 533

Answer : A

Explanation

The number 279 when written in reverse order will be 972, which is the highest number.

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

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 :

A - 479

B - 489

C - 432

D - 987

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 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 245. Sum of 2 and 5 is 7.

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

34543576782345273848785676489478

Which of the following digits is 7th to the right of 10th digit from left?

Options :

A - 8

B - 3

C - 4

D - 6

Answer : B

Explanation

The 7th digit to the right of 10th digit from left is 3.

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

89474656372345273849294956492784

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

Options :

A - One

B - Two

C - Three

D - None

Answer : D

Explanation

There is only one 8 which is 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

Answer : B

Explanation

There are only two 9's which are immediately followed by an odd number.


reasoning_number_series.htm

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