Multiple choice

What invested at 6% for 4 months will yield a simple interest of rs. 30 ?

  1. 1000rs

  2. 1500 rs

  3. 1200 rs

  4. 600 rs

  5. None of the above
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

SI = P*R*T/100. 30 = P * 6 * (4/12) / 100. 30 = P * 6 * (1/3) / 100. 30 = P * 2 / 100. P = 3000 / 2 = 1500.

AI explanation

Using the simple interest formula of principal times rate times time divided by 100, the principal is 100 times interest divided by (rate times time). The time is 4 divided by 12 years, so the principal is 100 times 30 divided by (6 times 4 divided by 12). Simplifying yields 3000 divided by 2, which is 1500. The amount invested is 1500 rs.

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