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.

234527384929546574956492784

How many 7's are there which are immediately preceded by 2?

Options :

A - One

B - Two

C - Three

D - Four

Answer : B

Explanation

There are only two 7's which are immediately preceded by 2.

Q 2 - Find the next number in the following series

5646554554445343524

Options :

A - 5

B - 6

C - 2

D - 4

Answer : C

Explanation

The sequence is like: 56 46 55 45 54 44 53 43. Hence 2 will come.

Q 3 - Find the next number in the following series

23456234523423

Options :

A - 2

B - 9

C - 7

D - 6

Answer : A

Explanation

The sequence is like: 23456 2345 234 23 2. Hence 2 will come.

Look at the following numbers and answer the question

235 324 765 875 952

Q 4 - All the digits of all the numbers are written in reverse order. What will be the number formed if 2 is added to all the digits of the 2nd highest number?

Options :

A - 735

B - 324

C - 765

D - 789

Answer : D

Explanation

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

Look at the following numbers and answer the question

241 422 533 279 488

Q 5 - If all the numbers are written in the reverse order, what will be the number formed if 1 is added to all the digits of the 2nd highest number?

Options :

A - 935

B - 924

C - 995

D - 789

Answer : C

Explanation

After writing the number in reverse order. the 2nd highest number is 884. If we will add 1 to all the digits then the number that will be formed is 995.

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 5 is added to all the digits of 3rd lowest number, then the number formed will be

Options :

A - 879

B - 889

C - 886

D - 987

Answer : C

Explanation

886 is the number that will be formed if 5 is added to all the digits of 3rd lowest number that is 331.

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

Answer : A

Explanation

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

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 :

A - None

B - Two

C - Three

D - Four

Answer : A

Explanation

There are no such 5's.

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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