Fill the boxes using(1,3,5,7,9,11,13,15)You can also repeat the numbersThis question came in UPSC final examheld in December 2013 at IndiaYou will be glad to note that onlyGaurav Agarwal (IAS Topper) could solve it.

Fill the boxes using(1,3,5,7,9,11,13,15)You can also repeat the number

1.	Fill the boxes using(1,3,5,7,9,11,13,15)You can also repeat the numbersThis question came in UPSC final examheld in December 2013 at IndiaYou will be glad to note that onlyGaurav Agarwal (IAS Topper) could solve it.
Answer» The sum of three odd numbers gives an odd numberSo, the sum of 3 given odd numbers doesnt results 30So, it is an impossible factorhere we can't use 3! toobecause 3! [3×2×1] results a even number 6so we cant use it.If there will be an allowance of factorials, then the answers will be3! + 15 + 9 =303! + 11 + 13 = 30