# Enter your question and keep it simple and clear for everyone. Solve this.. ◻ ➕ ◻ ➕ ◻=30 Fill the boxes using (1, 3, 5, 7, 9, 11, 13, 15) U can also repeat the numbers. This question came in UPSC Final Exams held in Dec 2013. Any genius here??

2
by misi

• Brainly User
2015-03-22T01:41:32+05:30

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Well this can't be done coz there are are 5 blanks awhich are odd in number and number to be filled in those blanks are also odd
so
odd times odd is always an odd number but we know that 30 is an even in number
however some uses 3!+3!+3!+3!+3!=30
which i think is wrong coz numerical value of 3! is 6 which is not given
there are 5 boxes so u have to use two for operation
2015-03-23T07:22:13+05:30
3!+11+13=30
3!+15+9=30