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If the difference between two acute angles of a right angled triangle is `(2pi)/5`, then find the circular and sexagecimal values of two acute angles.

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UNITED BOOK HOUSE-SUGGESSTION OR MADHYAMIK PARIKSHA-EXERCISE
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  15. If the mean of the following data is 54 then find the value k.

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  16. Find the median of the following distribution table.

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  17. Find themode of the following frequency distribution.

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  18. Find the mean of the following frequency distribution table.

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  19. Draw an ogive from the following data(less then type):

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  20. Find the mode of the following distribution table.

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