Subject

    Quantitative Aptitude

    Topic

    Number

    What percentage of numbers from 1 to 70 have squares that end in the digit 1?

    ক)
    1
    খ)
    14
    গ)
    20
    ঘ)
    21

    Explanation

    Only 12= 1 92 = 81 but it is greater than 70. So 1/70 * 100% = 1.42%

    Find Tutors

    View all Tutors