NCHMCT JEE 2019 Question Paper with solutions for online practice

Question : 6 of 200

Marks: +1, -0

Calculate the Simple Interest on ` 7200 at

{12}3/4

per annum for 9 months.

Solution:

We have,
Sum (p) =₹ 7200
Rate (r)

=12 {3/4}%

Time (t) = 9 months
∵ Simple interest

={p×r×t}/100

={7200×51/4×9}/{100×12}

=₹688.5

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