Question : The time required for a sum of money to amount to three times itself at 8% simple interest p.a. will be:

Option 1: 35 years

Option 2: 25 years

Option 3: 30 years

Option 4: 20 years

Question : When will INR 3,720 amount to INR 5,282.4 at 12% simple interest per annum?

Option 1: $3$ years

Option 2: $3 \frac{1}{2}$ years

Option 3: $5 \frac{1}{2}$ years

Option 4: $5$ years

Question : In what time will INR 10,000 at 4% per annum, produce the same interest as INR 8,000 does in 4 years at 5% Simple Interest?

Option 1: 5 years

Option 2: 3 years

Option 3: 4 years

Option 4: 6 years

Question : Money was lent on simple interest. After 12 years, its simple interest becomes $\frac{3}{5}$ of the money. Find the rate of interest.

Option 1: 4% p.a.

Option 2: 2% p.a.

Option 3: 5% p.a.

Option 4: 3% p.a.

Question : Anuradha invests her money in a firm where the principal amount becomes 3 times in 10 years. What is the yearly rate of simple interest offered by the firm?

Option 1: 25%

Option 2: 20%

Option 3: 22%

Option 4: 18%