Percentage

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Aptitude miscellaneous
  1. The ratio 5 : 4 expressed as a percent equals :








  1. View Hint View Answer Discuss in Forum

    5 : 4 when expressed as percent =
    5
    		 × 100
    5

    Correct Option: A

    5 : 4 when expressed as percent =
    5
    		 × 100 = 125%
    5

  1. If 10% of m is the same as 20% of n, then m : n is equal to :








  1. View Hint View Answer Discuss in Forum

    Given that , 10% of m = 20% of n

    ⇒
    10
    		× m =
    20
    		× n
    100100

    Correct Option: A

    Given that , 10% of m = 20% of n

    ⇒
    10
    		× m =
    20
    		× n
    100100

    ⇒
    m
    		=
    10
    		=
    2
    n 5 1

    ∴ Required ratio = m : n = 2 : 1

  1. If A exceeds B by 40%, B is less than C by 20%, then A : C is :








  1. View Hint View Answer Discuss in Forum

    Let B = 100
    ∴ According to question,
    A is 40% greater than B.
    ∴ A = 140
    ∴ B is 20% less than C
    ∴ 0.8C = 100
    ∴ C = 125
    ∴ A : C = 140 : 125 = 28 : 25

    Correct Option: A

    Let B = 100
    ∴ According to question,
    A is 40% greater than B.
    ∴ A = 140
    ∴ B is 20% less than C
    ∴ 0.8C = 100

  1. The monthly salary of Mr. Sachdev gets increased by 5%, thereby his salary becomes ₹ 15,120 per annum. His earlier monthly salary (before the increase) was








  1. View Hint View Answer Discuss in Forum

    Let annual salary of Sachdev before increase be Rs. p.
    According to the question,

    p ×
    105
    		 = 15120
    100

    ⇒ p =
    15120 × 100
    		 = Rs. 14400
    105

    Correct Option: B

    Let annual salary of Sachdev before increase be Rs. p.
    According to the question,

    p ×
    105
    		 = 15120
    100

    ⇒ p =
    15120 × 100
    		 = Rs. 14400
    105

    ∴ Required monthly salary = Rs.
    14400
    		 = Rs. 1200
    12

  1. The average monthly salary of all the employees in a factory is Rs. 8840. If the average salary of all the officers is Rs. 15000 and that of the remaining employees is Rs. 8000, then what is the percentage of the officers among the employees?








  1. View Hint View Answer Discuss in Forum

    Number of officers = p.
    Number of remaining employees = q.
    According to the question,
    8840 (p + q) = 15000p + 8000q
    ⇒ 8840p + 8840q = 15000p + 8000q
    ⇒ 15000p – 8840p = 8840q – 8000q
    ⇒ 6160p = 840q

    ⇒
    p
    		 =
    840
    q6160

    =
    84
    		 =
    3
    61622

    Correct Option: B

    Number of officers = p.
    Number of remaining employees = q.
    According to the question,
    8840 (p + q) = 15000p + 8000q
    ⇒ 8840p + 8840q = 15000p + 8000q
    ⇒ 15000p – 8840p = 8840q – 8000q
    ⇒ 6160p = 840q

    ⇒
    p
    		 =
    840
    q6160

    =
    84
    		 =
    3
    61622

    ∴ Required percent =
    3
    		× 100 = 12%
    25