Subject

    Quantitative Aptitude

    Topic

    Number

    There are 15 lines in plane. How many intersections (Maximum) can be made ?

    ক)
    55
    খ)
    105
    গ)
    215
    ঘ)
    148

    Explanation

    First line will cut all other 14, similarly second will cut 13, and so on Total = 14+13+12+11+10+9+8+7+6+5+4+3+2+1 = 105.

    Find Tutors

    View all Tutors