Quantitative Aptitude

1.A sum of Rs. 12,500 amounts to Rs. 15,500 in 4 years at the rate of simple interest. What is the rate of interest?                                                                                                                                                      (4)

1. 1. 3%
2. 2. 4%
3. 3. 5%
4. 4. 6%
5. 5. None of these

2. An automobile financier claims to be lending money at simple interest, but he includes the interest every six months for calculating the principal. If he is charging an interest of 10%, the effective rate of interest becomes: (2)

1. 1. 10%
2. 2. 10.25%
3. 3. 10.5%
4. 4. None of these

3. A sum of Rs. 725 is lent in the beginning of a year at a certain rate of interest. After 8 months, a sum of Rs. 362.50 more is lent but at the rate twice the former. At the end of the year, Rs. 33.50 is earned as interest from both the loans. What was the original rate of interest?                                               (5)

1. 1. 3.6%
2. 2. 4.5%
3. 3. 5%
4. 4. 6%
5. 5. None of these

5. A man took loan from a bank at the rate of 12% p.a. simple interest. After 3 years he had to pay Rs. 5400 interest only for the period. The principal amount borrowed by him was:                                      (3)

1. 1. Rs. 2000
2. 2. Rs. 10,000
3. 3. Rs. 15,000
4. 4. Rs. 20,000

5. A sum of money amounts to Rs. 9800 after 5 years and Rs. 12005 after 8 years at the same rate of simple interest. The rate of interest per annum is:                                                     (3)

1. 1. 5%
2. 2. 8%
3. 3. 12%
4. 4. 15%