Multiple Choice Questions on What is the unit digit of the sum of first 111 whole numbers ........ for SSC CGL Exam Preparation

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Multiple Choice Questions

What is the unit digit of the sum of first 111 whole numbers ........

Quantitative Aptitude (CGL) Number System
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    What is the unit digit of the sum of first 111 whole numbers?

    4

    Incorrect Answer

    6

    Incorrect Answer

    5

    Correct Answer

    0

    Incorrect Answer
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    Explanation:

    first 111 whole number will be like- 0 , 1, 2....110
    so sum of 111 whole number= 110*111/2 = 6105
    so unit digit will be 5.

    By: MIRZA SADDAM HUSSAIN
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