SSC CHSL 20 Dec 2015 Shift 2 Paper

Question : 118 of 200

Marks: +1, -0

30% of the students in a class has mobile phones, 10% of the students who have mobile phones has a bluetooth facility. If the class has 200 students, how many have bluetooth facility ?

Validate

Solution:

Total students = 200
Students who have mobile phones =

30/100×200=60

⇒ Students who have bluetooth facility =

10/100×60=6

Go to Question:

Prev Question

Next Question