NCHMCT JEE 2019 Question Paper with solutions for online practice

Question : 22 of 200

Marks: +1, -0

The simple interest on a certain sum of money for 3 years at 15% per annum is ₹ 125 less than the simple interest on the same sum for 5 years at 10% per anum. Find the sum.

₹ 2200
₹ 2300
₹ 2400
₹ 2500

Validate

Solution:

Let sum = ₹ x
According to question,

{x×5×10}/100-{x×3×15}/100=125

{50x}/10-{45x}/100=125

{5x}/100=125

x={125×100}/5

=₹2500

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