Discount

Discount

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Aptitude miscellaneous
  1. If the discount on $ 249 at 5 % S.I. be $ 9, when is the sum due?








  1. View Hint View Answer Discuss in Forum

    Here , Amount = $ 249 , True discount = $ 9
    Present Worth = Amount - True discount
    Present Worth ( P.W.) = $ 249 - $ 9 = $ 240
    True discount = $ 9
    Rate = 5%

    ∴ Time =
    T.D. x 100
    		=
    9 x 100
    P.W. x rate
    240 x 5

    Correct Option: C

    Here , Amount = $ 249 , True discount = $ 9
    Present Worth = Amount - True discount
    Present Worth ( P.W.) = $ 249 - $ 9 = $ 240
    True discount = $ 9
    Rate = 5%

    ∴ Time =
    T.D. x 100
    		=
    9 x 100
    P.W. x rate
    240 x 5

    Time = 9 months.

  1. The B.G. on a certain sum due in 5 years is 3/23 of B.D. Here, the rate of interest is :








  1. View Hint View Answer Discuss in Forum

    Let, Banker 's Discount = $ 1

    ∵ Banker 's Gain = $
    3
    23

    ∴ True Discount = Banker 's Discount - Banker 's Gain
    True Discount = $1 -
    3
    		= $
    20
    2323

    Correct Option: D

    Let, Banker 's Discount = $ 1

    ∵ Banker 's Gain = $
    3
    23

    ∴ True Discount = Banker 's Discount - Banker 's Gain
    True Discount = $1 -
    3
    		= $
    20
    2323

    ∴ Sum =
    B.D. x T.D.
    B.D. -T.D.

    Sum = 1 x
    20
    		 = $
    23
    		20
    1 -
    20
    		3
    23

    ∵ S.I. on $
    20
    		for 5 years is $ 1
    3

    ∴ Rate of interest = 100 x 3= 3 %
    20 x 5


  1. The banker’s gain on a certain sum due in 2 years at 5 % per annum is $ 8. The present worth is :








  1. View Hint View Answer Discuss in Forum

    Given :- Banker 's Gain = $ 8 , Rate = 5% , Time = 2 years

    True Discount =
    B.G. x 100
    		= $
    8 x 100
    Rate x Time
    5 x 2

    Correct Option: A

    Given :- Banker 's Gain = $ 8 , Rate = 5% , Time = 2 years

    True Discount =
    B.G. x 100
    		= $
    8 x 100
    Rate x Time
    5 x 2

    True Discount = $ 800