Multiple Choice Questions on A prime number contains the digit X at unit rsquo s place How many such digits of X are possible ........ for CDS Exam Preparation

Back to Main Page

Multiple Choice Questions

A prime number contains the digit X at unit rsquo s place How many such digits of X are possible ........

Quantitative Aptitude (CDS) Number System
    Download Solution PDF

    A prime number contains the digit X at unit’s place. How many such digits of X are possible?

    3

    Incorrect Answer

    4

    Incorrect Answer

    5

    Incorrect Answer

    6

    Correct Answer
    छोटे Courses बड़े Results
    Master Number System
    Prepare through Micro-courses
    Try Now
    Explanation:

    For prime no units place cannot be occupied by even number except for 2 Thus no of digits occupying unit digit of prime numbers = 6 (1,2,3,5,7,9) Example 2,3,5,7,11,19 in itself are prime numbers

    By: Munesh Kumari
    ProfileResources

    Let's Discuss

    Master
    Number System
    With abhipedia
    Micro Courses
    Try Now
    What our students have to say
    Review on us
    Download Abhipedia Android App

    Access to prime resources

    Downlod from playstore
    download android app download android app for free