Percentage


  1. If “basis points” are defined so that 1 per cent is equal to 100 basis points, then by how many basis points is 82.5 per cent greater than 62.5 per cent ?









  1. View Hint View Answer Discuss in Forum

    1% = 100 basis points
    ∴ 82.5% = 8250 basis points and 62.5% = 6250 basis points
    ∴ Required difference
    = 8250 – 6250
    = 2000 basis points

    Correct Option: D

    1% = 100 basis points
    ∴ 82.5% = 8250 basis points and 62.5% = 6250 basis points
    ∴ Required difference
    = 8250 – 6250
    = 2000 basis points


  1. Starting with 8000 workers, the company increases the number of workers by 5%, 10% and 20% at the end of first, second and third year respectively. The number of workers in the fourth year was









  1. View Hint View Answer Discuss in Forum

    Required number of workers

    = 8000 ×
    105
    ×
    110
    ×
    120
    = 11088
    100100100

    Correct Option: B

    Required number of workers

    = 8000 ×
    105
    ×
    110
    ×
    120
    = 11088
    100100100



  1. If the value of a company stock drops from Rs. 25 per share to Rs. 21 per share, the percentage decrease per share is :









  1. View Hint View Answer Discuss in Forum

    Required percentage decrease

    =
    25 - 21
    × 100
    25

    =
    400
    = 16%
    25

    Correct Option: D

    Required percentage decrease

    =
    25 - 21
    × 100
    25

    =
    400
    = 16%
    25


  1. An army lost 10% of its men in war, 10% of the remaining died due to disease and 10% of the rest were declared disabled. Thus the strength of the army was reduced to 7,29,000 active men. The original strength of the army was









  1. View Hint View Answer Discuss in Forum

    Initial number of soldiers in the army = x
    According to the question,

    x ×
    90
    ×
    90
    ×
    90
    = 729000
    100100100

    ⇒ x =
    729000 × 1000
    = 1000000
    9 × 9 × 9

    Correct Option: B

    Initial number of soldiers in the army = x
    According to the question,

    x ×
    90
    ×
    90
    ×
    90
    = 729000
    100100100

    ⇒ x =
    729000 × 1000
    = 1000000
    9 × 9 × 9



  1. A person loses 75% of his money in the first bet, 75% of the remaining in the second and 75% of the remaining in the third bet and returns home with Rs. 2 only. His initial money was









  1. View Hint View Answer Discuss in Forum

    Initial amount with the man = Rs. x (let).
    Remaining amount after first bet

    = Rs
    x
    64

    x
    = 2 ⇒ x = 2 × 64 = Rs. 128
    16

    Correct Option: B

    Initial amount with the man = Rs. x (let).
    Remaining amount after first bet

    = Rs
    x
    64

    x
    = 2 ⇒ x = 2 × 64 = Rs. 128
    16