# Math Magic: Easiest & Fastest Way to Multiply & Divide by 5

Most of the exams and test for higher level service or enginerring test or management tests require mathematical skills. That include skill to do fast soltion to elementary maths . The timing is crucial in these exams. So , if you know the fatsest way to multiply or divide , it saves yopu pelnty of time. Today, fastest way to multiply and didvide by 5 is taught. It will take minutes to understand the math trick , but after that you will not need even pen and paper for multiplication by five or didvidion by five.

**Math Magic: Division by 5**

Suppose you need to divide 1256 by 5 .

Trick : Multiply by 2 , and place a decimalbeforeunit digit

In this case , multiplication with 2 gives result of 2512 .

Place one decimal before unit digit i.e 2 , So the answer is 251.2

**Math Magic: Multiplcation by 5**

Suppose you need to multiply 1256 by 5 .

STEP 1 : Just half the number i.e divide by 2 . SO in this case 1256/2 = 628

Step 2: If the result after dividing by 2 is whole number [ i.e without any decimal] then place one ZERO after the result .Like in the case of example , the result after halving the number 1256 , is without decimal so , we put one zero at the end and the answer is 6280

**However, if the result after halving the number is with any decimal , ignore the decimal and put 5 ate the end .**

For example , if you multifply number 121 x 5 , then

Step 1: Halve the number i.e 121/2 = 60.5

Step 2: Ignore any thing written after decimal and just put 5 at the end

So answer is 605

**Practice on following fours sums and see how fast you are**

I am fifteen years old and looking into possible careers. However, I dislike Maths and I would like to know if a career in management consultation requires me to wade neck deep into Maths.

A factory produces 25 components at a cost of 830$, an on another run produces components at a cost of $1050. Find an expressing realating cost (C) to the number of components (n) , assuming alinear relations ship

explain thx

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Thanks,

~Steven~

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well…please dont give site links (but if it is a good site i dont mind)

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Luke buys a pair of trainers in switzerland

he can pay either 86 swiss francs or 56 euros

the exchange rates are

£1=2.10 swiss francs

£1=140 euros

which currency should he choose to get the best price and how much would he save?

give your answers in £

I’m having some trouble learning how to draw histograms!!

Can Anyone explain it simply?

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4(x-2y)-(5x+3y)=30

3(3x+7y)-2(x+9y)=12

SHOW ALL THE STEPS AND I WILL CHOOSE U FOR BEST ANSWER!!!

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Hi everyone, I’m currently in high school and I’m doing the International Bacaloriate, IB. I am planning to study Geography at university, and I have to choose between doing the higher or lower level maths. I am not very good at maths and i am sure i will have difficulties doing higher level maths but i will be willing to do it if it is necessary for a geography degree.

So how important is maths for a geography degree? Can i take the lower level maths or must i do the higher level?

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I actually enjoy maths and would enjoy gaining the experience as well as how it would look good on my personal statement so any suggestions would be much appreciated!

Roller Blades With A Mark Up Of 20% Sell For $110. How Much Profit Is Made?

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EDIT: I want to go on a Masters in Computer Science course.

very helpful…for calculation.

Helpful for fast calculation.

good way to solve qution in short time.