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A problem by Princess Vanshika

Level pending

The average of 11 numbers is 60. If the average of the first six numbers is 58 and that of last six is 63, then the sixth number is?

65 66 66.5 62

Excel in math and science

Master concepts by solving fun, challenging problems.

It's hard to learn from lectures and videos

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Our wiki is made for math and science

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including olympiad champions, researchers, and professionals.

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by Princess Vanshika

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