The number of students scoring less than 40% marks in agg...
Study the following table and answer the questions.
Classification of 100 Students Based on the Marks Obtained by them in Physics and Chemistry in an Examination.
The number of students scoring less than 40% marks in aggregate is?
13
19
20
27
Correct answer is D
We have 40% of 50 = ( 40/100 x 50 ) = 20
Therefore Required number
= Number of students scoring less than 20 marks in aggreagate
= 100 - Number of students scoring 20 and above marks in aggregate
= 100 - 73
= 27
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