Subject

    Quantitative Aptitude

    Topic

    Number

    The difference of two numbers is 2 and the difference of their squares is The difference of their cubes will be between.

    ক)
    50 and 60
    খ)
    60 and 70
    গ)
    80 and 90
    ঘ)
    90 and 100

    Explanation

    here, a-b=2  according to question, a2-b2=16 or,(a+b)(a-b)=16 or,a+b=8 A+B=8 A-B=2 so,a=5 b=3 a3-b3=53-33=98

    Find Tutors

    View all Tutors