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December 22, 2011

Shortcuts in Division

26 comments

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There are so many types of divisions are there. Lets have a look.

Division by parts --> Imagine you have Rs.874 . You have to give that to your two children.
874/2    [We can write this 874 as 800+74 (for our convenience)
= 800/2 + 74/2
= 400 + 37
= 437 

Division using the factors of the divisor: "this is also called as Double Division"

70/14
= (70/7)/2    (Because 7 and 2 are the factors of 14)
= 10/2
= 5

Division using Fractions:

132/2
= (100/2 + 32/2) ( here we've broken the given fraction into two separate fractions)
= (50 + 16)
= 66

Division by 5 :

Note: if you have to divide any number with 5, then divide it by 100 and then just multiply by 20
1400/5
= (1400/100) x 20
= 14 x 20
= 280

Division by 10 (Its very simple, just move the decimal point one place to the left)

0.5/10
= 0.05 

Division by 50 ( Just divide with 100 then multiply by 2)

2100/50
= (2100/100) x 2
= 21 x 2
= 42

700/50
= (700/100) x 2
= 7 x 2
= 14

Division by 100 (just move the decimal point two places to the left)

25/100 
= 0.25

Division by 500 (just divide with 100 and then multiply with 0.2)

17/500 
= (17/100) x 0.2 
= 0.17 x 0.2
= 0.034

Division by 25 (just divide by 100 and then multiply by 4 )

500/25
= (500/100) x 4
= 5 x 4
= 20

750/25
= (750/100) x 4
= 7.5 x 2 x 2
= 30

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26 comments:

  1. Very good article....thanks for thepost

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    Replies
    1. these type of short cuts are very useful to us. Thank you for post.

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  2. Its a very useful tricks for improved my maths for bank exam thank for the post

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  3. its very good steps

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  4. very good article!!!thanks

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  5. Thank u very much

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  6. a very use ful site really

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  7. thanks for these short cuts...

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  8. am improved i division now :) thxx

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  9. nice and effective............ :)

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  10. Thank U Sooooo Much For Giving Useful Tricks......

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  11. awesome post........thanks :)

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  12. it is very usefull
    thanq sooo much

    ReplyDelete
  13. what ever you posted in entire bolg.its very usefull....ThANX

    ReplyDelete
  14. kya faida bhai comment pass karneka?approvale karne k baad apka cmment batayajayega ye kehe kar cmment skip kardete hain aplog najane kitni baar aur kitne cmment pass kiye honge maine exams ko le kar usk related doubts ko lekar lekin hamesha mai ye blog khol kar dekhta hun aur bandh kardetahu lekin ek baar bhi na mera cmment aur nahi usko related doubt ka jawab mila hai mujhe...

    ReplyDelete
  15. i like the way you teach. gr8 job..

    ReplyDelete
  16. this is good article but can u explain any shortcut method for division of 21/73 , 545/57 . plzzzzzzzzzz rply

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  17. Hi, can Yu explain me how to divide de num by prime num???

    ReplyDelete
  18. very interesting to solve the sum

    ReplyDelete
  19. its really suberb

    ReplyDelete

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