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Hey , friend the question seems little trivial. ...... Hey frnd now plzzz try this,,.......... "Write the numerals 1, 3, 5, 7, 9, 11, 13, 15 on separate pieces of paper. Pick three numbers and place them into the spaces of _ + _ + _ = 30 to make them a valid equation. Most people try this and give up. Or they say that it is impossible (which it is) to form a sum of 30 from 3 odd numbers. They show that three odd numbers will always sum to an odd number, so you can't make a sum of 30. odd + odd + odd ..................... (odd + odd) + odd........ ........ = even + odd................ = odd................. The trick to this puzzle is in the wording. Since the numerals are on pieces of paper, you can flip them around. In particular, you can pick the '9', flip it around and make it a '6'. Then you can easily create a valid equation. Answer: 6 + 11 + 13 = 30

3!+15+9=30.

otherwise its not possible to get an even no. by adding odd nos. an odd no. of times.