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If $$20$$ people liked classical music, how many young people were surveyed?

The total number of live births in a specific locality during different months of a specific year was obtained from the office of the birth registrar. This set of data may be called

The prices of diamond having a particular color and clarity are tabulated below:

Difference between people who prefer guitar over flute

marks (out of 10) obtained by 35 students in a Science test are listed as bel 8, 1, 2.6, 5, 0, 1, 9, 7, 8, 0,5, 8, 3, 0,8,1,0, 3,4,8,7, 8,9,2,0 1,3,2 a)

People who prefer either sarod or Guitar, is greater then the total number of people who prefer either violin or Sitar by :-

While delegating, a superior delegates :

The following pie-chart shows the marks obtained by a student in an examination who scored $$540$$ in all. Study the pie-chart and anser the question given below.
The subject in which the students scored $$108$$ marks is 

The following bar graph shows the number of persons killed in industrial accidents in country for some years.
Read the bar graph and choose the correct alternative in each of the following:
The year in which the maximum number of persons were killed in industrial accidents other than those killed in coal mines is:

A man's monthly salary is $$Rs. 24000$$ and his family expenses on travel are $$Rs.2500.$$ The central angle of the sector representing travel expenses in the pie chart would be