Subject

    Quantitative Aptitude

    Topic

    Number

    If you write down all the numbers from 1 to 100, then how many times do you write 4 ?

    ক)
    11
    খ)
    20
    গ)
    17
    ঘ)
    14

    Explanation

    4, 14, 24, 34, 44, 54, 64, 74, 84, 94 => has 11 number of (4's) 40, 41, 42, 43, 45, 46, 47, 48, 49 => has 9 number of (4's) So, totally (11 + 9 = 20) number of 4's in 1 to 100.

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