Subject

    MBA Exam

    Topic

    Evening MBA-DU(22th Batch)

    Twenty percent of the computer technicians have passed the certification test conducted by Bangladesh Computer Somity (BCS). Among the technicians who have not passed the test, 21 have taken a preparatory course and 15 have not taken the course. How many computer technicians are there?

    ক)
    9
    খ)
    20
    গ)
    36
    ঘ)
    45

    Explanation

    30% have passed so failed =(100-30 )%=70% total failed= 21+15=36 here,  70% =36 100%=36 x 100/70 =45

    Find Tutors

    View all Tutors