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SSC Sample Paper SSC CGL - Sample Paper-4

  • question_answer
    Direction: A table showing the percentage of the total population of a State by age groups for the year 2010 is given below. Answer the questions given below it.
    Age Group (in years) Per cent
    Up to 15 30.00
    16-25 17.75
    26-35 17.25
    36-45 14.50
    46-55 14.25
    56-65 5.12
    66 and above 1.13
    Total 100
    If there are 10 million people in the age group 56 yr and above, what is the difference between the numbers of people in the age groups 16-25 and 46-55?

    A)  6.8 million                   

    B)  5.6 million

    C)  28.4 million                  

    D)  34.7 million

    Correct Answer: B

    Solution :

    Per cent of population in the age group 56 yr and above \[=5.12+1.13=6.25\] Now, 6.25% of population  \[=10\,\text{million}\] \[\therefore \] Total population \[=\frac{10\times 100}{6.25}\,\text{million}\]      \[=160\,\text{million}\]million Difference in per cent of people in the age groups (16-25] and (46-5 5) \[=17.75-14.25\] \[=3.5\] \[\therefore \] The required difference             \[=3.5%\text{ of }160\text{ million}\] \[=\frac{3.5\times 160}{100}\,\text{million}\]             \[=5.6\,\text{million}\]


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