Questions on Number puzzle are very common in competitive exams and here in this section we will discuss few of them with answer. Without these type of Number puzzle question your exam preparation will not complete. Your math skills is very much needed to solve this kind of problems. Apply your skills on shortcut tricks to solve these Number puzzle question.

Here in this website we try to bring together all types of shortcut methods on Number puzzle for every topic. Now you just need to apply those tricks to solve these questions. But you may not need any shortcut tricks to solve some of these questions.

A question on Number puzzle will be discuss here. Read the provided question on Number puzzle very carefully and try your best to solve the question. See below to get the answer of this question. If you solve the problem then check your answer with us. If you don’t know how to solve this then also check below.

Each page contains a question on Number puzzle and also its solution with explanation. By cliking on Next/Previous link you can navigate through other questions.

Let’s begin the Question answer session. Today’s question is:

**What would be the number replaces in the question mark ?**

Scroll down below to know the solution of this problem. You can take as much time as you want to answer the problem. But always try to solve it as quickly as you can.

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Here is the Answer of previous question. If you already solve the problem then please check your answer with our solution. A very Well Done if your answer is correct, but don’t worry if you are unable to answer the previous question correctly. Let’s give you the solution of the question with explanation.

**7, 13, 24, 40, 61, …?**

this a two stage number series

In first stage:

we need to find difference between previous to next number.

( 7 – 13 ) = 6

( 24 – 13 ) = 11

( 40 – 24 ) = 16

( 61 – 40 ) = 21

( 87 – 61 ) = 26

In second stage:

we need to find difference between 2nd stage previous to next number.

( 11 – 6 ) = 5

( 16 – 11 ) = 5

( 21 – 16 ) = 5

( 26 – 21 ) = 5

All the 2nd stage differences are same that is 5.

So, question mark replaces with ( 5 + 21 ) = ( 26 + 61 ) = 87

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In this question solve this method easily.difference between 13and 7 is 6.then nxt difference is 11,16,21.so nxt difference is 26.61+26=87is ans