# Interest and Discounts - IAS CSAT Paper 2/ NTA NET Paper 1 (Syllabus 2019)

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• Published on May 28, 2019
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IAS CSAT Paper 2
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#Interest #Discounts

• Ali L 29 days ago

Sir please put up the steps clearly for those of us who haven’t touched math in years. Difficult to understand the in-between calculations. Thank u for the lovely questions, they are very nice.

• Ali L 29 days ago

Q6, instead of such a long way, can’t we just keep
CP=100
MP=100+x
Simply take SP as MP - Discount = (100+x) - (40/100)(100+x)
Taking common factors out:
SP= (100+x) (1 - 40/100)
= (100+x)(60/100)
Then use Profit% formula and substitute values.
5 = {[(100+x)(60/100)] - 100} 100/100
5 = (100 + x) (60/100) - 100
175 = 100 + x
x = 75
Please tell if this method is ok

• Priyanka B T Month ago

2.c

• Arti S Month ago

Thank u sir