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**Calculation Tricks, especially those that help you in multiplying big numbers, can save your day in Competitive Exams.**** **

SBI PO, IBPS, SSC Exam, Insurance Exams, Railway Recruitment Board Exams… Irrespective of the exam that you are appearing for, calculation tricks is a basic need in all competitive exams. We all know that multiplying big numbers can be quite difficult and time consuming because the only difference between candidates who get selected and candidates who don’t get selected is use of smart methods to solve problems.

So in this series of blog posts about smart methods, this is the 9

^{th}trick that will help you solve questions in 5- 10 seconds that would otherwise take 30- 45 seconds.
One strength that every competitive exam aspirant should have is swift and accurate calculations since this skill can save you a lot of valuable time in any exam! The expertise in multiplying big numbers can come very handy and help you get closer to the cut off. Here we will discuss how to smartly multiply any given with 5.

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**A Question where Calculation Tricks Come Handy**

436x 5 = ?

1) 2560 2)2180 3)2340 4) 2460 5) None of these

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**Conventional Method of Multiplying Big Numbers with 5**

So how do you generally react on reading a question like this? Pick up a pen and paper and multiply 436 with 5 using the regular method where 5 is first multiplied with 6, you write the units value and carry forward the tens value and you continue doing the same till you get the answer.

**Step 1:**

This method involves paperwork and requires 15- 20 seconds!

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**Smart Method Using Calculation Tricks**

Time to upgrade to a smart method and get things moving really quickly! For multiplying big numbers with 5 can be done sans any paper work by

**So all you need to do is***just replacing 5 with 10/2.***which is just adding a zero.***divide the given number by 2 and multiply the result with 10*

**Step 1:**

436x 5= 436x (10/2)

Simple! Quick! Less Calculation! Easy!

Why don’t you try to multiply the following numbers using this trick?

Question 1: 234 x 5 = ?

1) 1140 2)1440 3)1170 4) 1770 5) None of these

Question 2: 6317 x 5 = ?

1) 21535 2)38855 3) 22145 4) 45685 5) 31585

Do tell us in the comments section below how helpful this method was!

Watch this video where expert faculty explains calculations tricks!

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