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Percentage Questions Answers

  • 8. 2 is what percent of 50

    1. 2%
    2. 4%
    3. 6%
    4. 8%
    Answer And Explanation

    Answer: Option B

    Explanation:

    2/50 * 100 = 1/25 * 100 = 4 %

  • 9. 1/2 is what percent of 1/3

    1. 150%
    2. 200%
    3. 250%
    4. 300%
    Answer And Explanation

    Answer: Option A

    Explanation:

    1/2/1/3 * 100 = 1/2 * 3/1 * 100 = 150 %

  • 10. 88% of 370 + 24% of 210 - x = 118

    1. 150
    2. 250
    3. 158
    4. 258
    Answer And Explanation

    Answer: Option D

  • 11. An inspector rejects 0.08% of the meters as defective, How many meters he examine to reject 2 meteres

    1. 1200
    2. 2400
    3. 1400
    4. 2500
    Answer And Explanation

    Answer: Option D

    Explanation:

    It means that 0.08% of x = 2
    \begin{aligned}
    => ( \frac{8}{100 \times 100} \times x) = 2 \\
    => x = \frac{2 \times 100 \times 100}{8} \\
    => x = 2500
    \end{aligned}

  • 12. If sales tax is reduced from 5% to 4%, then what difference it will make if you purchase an item of Rs. 1000

    1. 10
    2. 20
    3. 30
    4. 40
    Answer And Explanation

    Answer: Option A

    Explanation:

    Clue: Answer will be 5% of 1000 - 4% of 1000

  • 13. In expressing a length of 81.472 km as nearly as possible with the three significant digits, find the percentage error

    1. 0.35%
    2. 0.34%
    3. 0.034%
    4. 0.035%
    Answer And Explanation

    Answer: Option C

    Explanation:

    Error = (81.5 - 81.472) = 0.028
    Required percentage = \begin{aligned}
    \frac{0.028}{81.472} \times 100 = 0.034 %
    \end{aligned}

  • 14. In an election between two candidates, 75 % of the voters cast their votes, out of which 2% of the votes were declared invalid. A candidate got 9261 votes which were 75% of the total valid votes. Find the total number of votes.

    1. 16800
    2. 15800
    3. 16700
    4. 15700
    Answer And Explanation

    Answer: Option A

    Explanation:

    Let the total number of votes enrolled are x.
    Number of votes cast = 75% of x
    Valid votes = 98% of 75% of x

    Now, as 9261 is the 75% of valid casted votes so,

    75% of 98% of 75% of x = 9261 [imporant]

    \begin{align}
    => \frac{75 \times 98 \times 75 \times x}{100 \times 100 \times 100} = 9261 \\

    => x = 16800
    \end{align}