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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 13...... You will be glad to note that only Gaurav Agarwal (IAS Topper) could solve it.

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best_answer

Any 5 odd numbers  sum is always an odd number
So, any 5 odd numbers never sum to  30
So, it is impossible to get this

If there is a tolerance of factorials use, then the answer will be
3!+3+3+9+9=30
3!+1+1+7+15=30

Posted by

Deependra Verma

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