Leadership

Mathematics

Eight Standard

Test your understanding of this lesson Simple interest | Part-2:-

1)
A certain sum of money amounts to double to itself in 8 years, the rate per cent of simple interest is
  • \(11\frac{1}{2}\) %
  • \(12\frac{1}{2}\) %
  • 12 %
  • 13 %
2)
A principal of Rs 1600 amounts to Rs. 2000 in 5 years The rate percent of simple interest is
  • 5 %
  • 8 %
  • 10 %
  • 16 %
3)
The interest on a certain sum of money becomes \(\frac{6}{25}\) part of the principal in 4 years, the rate interest is
  • \(6\frac{1}{2}\) %
  • 6 %
  • 5 %
  • 8 %
4)
The total interest becomes equal to the principal in x years at the rate of 8%, the value of x is
  • \(12\frac{1}{2}\)
  • 12
  • 8
  • \(8\frac{1}{2}\)
5)
The rate of interest on Rs 8x for \(\frac{x}{8}\) % years at the rate of \(\frac{x}{2}\) % is
  • \(\frac{x^2}{100}\)
  • \(\frac{x^2}{1000}\)
  • \(\frac{x^3}{100}\)
  • \(\frac{x^3}{1000}\)
Hand draw

You may like this videos

All rights reserved © 2025 tubelessons.net

Hide

Forgot your password?

Close

Error message here!

Hide

Lost your password? Please enter your email address. You will receive a link to create a new password.

Back to log-in

Close