Related Questions

In a certain class 40% of the students are girls, and 20% of the girls wear glasses. What percent of students in the class are girls who wear glasses.
A 6%
B 8%
C 20%
At a symposium , 20 % of the professors are psychologists , 60% are biologists , and the remaining 12 professors are economists . If 20 of the professors were glasses , what present of the professors do not wear glasses ?
A 20%
B 33.1/3%
C 50%
D 66.2/3%
At a symposium, 20% of the professors are psychologists , 60% are biologists and the remaining 12 professors are economist. If 20 of the professors wear glasses, what percent of the professors do not wear glasses?
A 20%
B 331/3%
C 50%
D 66.2/3%
At a symposium 20% of the professors are psychologist, 60% are biologist and the remaining 12 professors are economist. If 20 of the professors wear glasses, what percent of the professors do not glasses?
A 20%
B 331/3%
C 50%
D 66.2/3%
Which of the following is a valid assumption made in the viven argument?Premise I: People who wear glasses are smart.Premise II: John wears glasses.Conclusion: John is smart.
A All people who wear glasses are smart.
B Only people who wear glasses are smart
C John is the only person who wears glasses
D None of the above.
Two equal glasses are respectively 1/3 and 1/4 full of milk, They are then filled up with water and the coutents mixed in a tumbler .What is the ratio of milk and water in the tumbler?
A 7 ; 14
B 7 ; 17
C 7
Which one of the following glasses is used in bullet proof screens ?
A soda glass
B pyrex glass
C jena glass
D Reinforced glass
which one of the following glasses is used in bullet proof screens?
A Soda glass
B Pyrex glass
C Jena glass
D Reinforced glass
........................ , glasses can correct must sight defects in healthy eyes.
A when well fitted
B well fitted when
C well fitted if
D if well fitted when
He said, “Where are my glasses?” It's indirect form is:
A He asked where are my glasses
B He asked where were his glasses
C He asked where his glasses were
D He asked where his glasses had been

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