Statement-I : Mass numbers of most of the elements are fractional. Because Statemen-II Mass numbers are obtained by comparing with the mass number of

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Statement-I : Mass numbers of most of the elements are fractional. Because Statemen-II Mass numbers are ... If both (A) and (R ) are incorrect.

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Description : There are 50 numbers. Each number is subtracted from 53 and the mean of the numbers so obtained is found to be – 3.5. Find the mean of the given numbers. -Maths 9th

Last Answer : Let x be the mean of 50 numbers. ∴ sum of 50 numbers = 50x Since each number is subtracted from 53. According to question, we have 53 × 50 - 50x / 50 = - 3.5 ⇒ 2650 - 50x = -175 ⇒ 50x = 2825 ⇒ x = 2825 / 50 = 56.5

Description : There are 50 numbers. Each number is subtracted from 53 and the mean of the number so obtained is found to be – 3.5. -Maths 9th

Last Answer : NEED ANSWER

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Last Answer : Find the mean of the given number is

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Last Answer : Hope this helps. However, I cannot guarantee the accuracy of the content and suggest you find others sources as well.

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Last Answer : The answer depends on how advanced your methods are. In general,the methods are the same except that if you have repeatingdecimals, they may cause rounding errors.