RRB Paramedical Staff Nurse Model Paper 8

Question : 50 of 100

Marks: +1, -0

A sum of Rs 8000 is divided into two parts. The simple interest on first part at the rate of 21% per annum is equal to the simple interest on second part at the rate of 35% per annum. What is the interest (in Rs) of each part?

1050
840
1400
1220

Validate

Solution:

Let the 1 st part

=x

And second part

=(8000-x)

ATQ,

\;{x × 21}/{100}=\;{(800-x) × 35}/{100}

21 x=(8000-x) × 35

3 x=(8000-x) × 5

8 x=40000

x=5000

So principal for first part = Rs. 5000 Now, Simple Interest

=\;{5000 × 21 × 1}/{100}=R s .1050

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