DIRECTIONS for questions 1 to 5. Answer the questions on the basis of th
Mr. Raj Kapur, an anthropologist, who is doing a project on racial features, observed that in his class of 130
students, 60 students had black eyes, 50 students had an aquiline nose, 45 students had a broad forehead and
90 students had exactly one of the three features.
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Since x and y vary inversely as each other, therefore the product xy always remains constant.
10×6=15×y
⇒60=15y
⇒y=
15
60
⇒y=4
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