Subject

    Quantitative Aptitude

    Topic

    Percentage

    In a college, number of boys is 75% of number of girls. Difference between boys and girls is 35. On a particular day 20% boys were absent, then find the number of boys those who present?

    ক)
    72
    খ)
    84
    গ)
    93
    ঘ)
    81

    Explanation

    Ratio of girls and boys = 100% : 75% = 4:3 Difference is 1 unit = 35 So, 3 units = 35 x 3 = 105 If 20% absent, that’s mean 80% present. So, present boys = 80% of 105 = 80×105100  =  84\frac{80\times105}{100}\;=\;84

    Find Tutors

    View all Tutors