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 - Find the next number in the following series

5646554554445343524

Options :

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

1911811711611511

Options :

Answer : C

Explanation

The sequence is like: 191 181 171 161 151 141. Hence 4 will come.

Look at the following numbers and answer the question

235 324 765 875 952

Q 4 - If all the digits are written in reverse order, what is the sum of all the digits of 3^rd lowest number?

Options :

Answer : B

Explanation

10 will be the number if all the digits of the 3^rd highest number is added.

Look at the following numbers and answer the question

535 987 229 406 502

Q 5 - If the numbers are written in reverse order, then the lowest number formed will be.

Options :

Answer : B

Explanation

205 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 - Which of the given numbers will be the highest number if all the numbers are written in the reverse order?

Options :

Answer : D

Explanation

When 546 written in reverse order will be 645, which is the highest number.

Look at the following numbers and answer the question

621 597 245 331 208

Q 7 - If all the numbers are written in the reverse order what will be the number formed if 3 is subtracted from all the digits of the 2^nd highest number?

Options :

Answer : A

Explanation

After writing the numbers in reverse order, the 2^nd highest number is 795. If we will subtract 3 from all the digits then the number that will be formed is 462.

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 :