# _+_+_+_+_=30 solve this using 1,3,5,7,9,11,13,15

2
by shilpamaganally
are v supposed to use al the 4 +'s and 5 -'s??????
Yes, we are supposed to use four "+"s. But, " _ " indicates a blank which you need to fill with the above mentioned numbers. It isn't any kind of mathematical symbol as you think.
this is not a regular mathematics question. it is a trick question and is up to your imagination to solve it.

• Brainly User
2014-12-04T22:25:12+05:30
No they that can't be done as the boxes are odd in number and the number you've are also odd so odd times odd will be odd this just be done by using factorial like 3! Which is an even number as 1*2*3=6
it can be done by 3!+3!+3!+3!+3!
2014-12-05T12:35:31+05:30

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Gaurav Agrawal answered very intelligently and using his imagination.
-- for this question is asked so many times.. all credit goes to him.
3! + 3! + 3! + 3! + 3!      = 30

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The following are many other ways of getting the solution.

3! + 1 + 3 + 9 + 11          = 30
1 + 5 + 7 + 3! + 11               = 30
3! + 3! + 3! + 11 + 1             = 30
3! + 3! + 11 + 5 + 1               = 30
11+ 1 + 1 + 3! + 11              = 30
15 + 3 + 3 + 3 + 3!              = 30
13 + 1 + 1 + 9 + 3!            = 30
13 + 1 + 3 + 7 + 3!            = 30
13 + 5 + 3 + 3 + 3!            = 30

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