Percentage


  1. If A’s salary is 30% more than that of B, then by how much percent is B’s salary less than that of A ?









  1. View Hint View Answer Discuss in Forum

    Let B’s salary = Rs. 100
    If A’s salary is 30% more than that of B , then
    ∴ A's salary = Rs. 130

    ∴ Required percent =
    30
    × 100
    130

    Correct Option: C

    Let B’s salary = Rs. 100
    If A’s salary is 30% more than that of B , then
    ∴ A's salary = Rs. 130

    ∴ Required percent =
    30
    × 100
    130

    Required percent =
    300
    = 23 .07%
    13


  1. A man spends 15% of his income. If his expenditure is Rs. 75, his income (in rupees) is :









  1. View Hint View Answer Discuss in Forum

    Let the man’s income be Rs. P.
    According to the question,

    P ×
    15
    = 75
    100

    Correct Option: D

    Let the man’s income be Rs. P.
    According to the question,

    P ×
    15
    = 75
    100

    ⇒ P =
    75 × 100
    = Rs. 500
    15



  1. A’s salary was decreased by 50% and subsequently increased by 50%. How much per cent does he lose?









  1. View Hint View Answer Discuss in Forum

    Here , y = 50%
    As we know that ,

    Effect on percentage =
    - y2
    %
    100

    Correct Option: A

    Here , y = 50%
    As we know that ,

    Effect on percentage =
    - y2
    %
    100

    Effect on percentage =
    – 50 × 50
    % = –25%
    100

    Negative sign shows decrease.


  1. If A’s salary is 40% less than that of B, then how much percent is B’s salary more than that of A?









  1. View Hint View Answer Discuss in Forum

    According to question ,

    Required percent =
    40
    × 100
    100 – 40

    Correct Option: B

    According to question ,

    Required percent =
    40
    × 100
    100 – 40

    Required per cent =
    4000
    =
    200
    = 66
    2
    %
    60 3 3



  1. P’s salary is 25% higher than Q, what percentage is Q’s salary lower than that of P ?









  1. View Hint View Answer Discuss in Forum

    Let Q,s salary = Rs. 100 .
    ∴ P’s salary = 125

    ∴ Required percent =
    125 – 100
    × 100
    125

    Correct Option: A

    Let Q,s salary = Rs. 100 .
    ∴ P’s salary = 125

    ∴ Required percent =
    125 – 100
    × 100
    125

    Required percent =
    25 × 100
    = 20% increase
    125