Home » Quantitative Aptitude » Percentage

Percentage MCQs

6question(s) · click a question to reveal the answer and explanation.

  1. What is 25% of 480?
    a) 100
    b) 110
    c) 120
    d) 130
    View Answer & Explanation

    Correct answer: C — 120

    Explanation: 25% of 480 = (25/100) x 480 = 120.

  2. What is 25% of 480?
    a) 100
    b) 110
    c) 120
    d) 130
    View Answer & Explanation

    Correct answer: C — 120

    Explanation: 25% of 480 = (25/100) x 480 = 120.

  3. What is 25% of 480?
    a) 100
    b) 110
    c) 120
    d) 130
    View Answer & Explanation

    Correct answer: C — 120

    Explanation: 25% of 480 = (25/100) x 480 = 120.

  4. If a number is increased by 20% and then decreased by 20%, what is the net percentage change?
    a) No change
    b) 4% decrease
    c) 4% increase
    d) 2% decrease
    View Answer & Explanation

    Correct answer: B — 4% decrease

    Explanation: Let the number be 100. After a 20% increase: 120. After a 20% decrease: 120 x 0.8 = 96. Net change = 96 - 100 = -4, i.e. a 4% decrease. (General formula: net % change = x - y - xy/100, here 20 - 20 - (20x20)/100 = -4%.)

  5. If a number is increased by 20% and then decreased by 20%, what is the net percentage change?
    a) No change
    b) 4% decrease
    c) 4% increase
    d) 2% decrease
    View Answer & Explanation

    Correct answer: B — 4% decrease

    Explanation: Let the number be 100. After a 20% increase: 120. After a 20% decrease: 120 x 0.8 = 96. Net change = 96 - 100 = -4, i.e. a 4% decrease. (General formula: net % change = x - y - xy/100, here 20 - 20 - (20x20)/100 = -4%.)

  6. If a number is increased by 20% and then decreased by 20%, what is the net percentage change?
    a) No change
    b) 4% decrease
    c) 4% increase
    d) 2% decrease
    View Answer & Explanation

    Correct answer: B — 4% decrease

    Explanation: Let the number be 100. After a 20% increase: 120. After a 20% decrease: 120 x 0.8 = 96. Net change = 96 - 100 = -4, i.e. a 4% decrease. (General formula: net % change = x - y - xy/100, here 20 - 20 - (20x20)/100 = -4%.)