Quantitative Aptitude

1. What will be the ratio of simple interest earned by certain amount at the same rate of interest for 6 years and that for 9 years?                                                                                      (3)

  1. 1. 1 : 3
  2. 2. 1 : 4
  3. 3. 2 : 3
  4. 4. Data inadequate
  5. 5. None of these
2. A certain amount earns simple interest of Rs. 1750 after 7 years. Had the interest been 2% more, how much more interest would it have earned?                                                                     (4)

  1. 1. Rs. 35
  2. 2. Rs. 245
  3. 3. Rs. 350
  4. 4. Cannot be determined
  5. 5. None of these
3. A person borrows Rs. 5000 for 2 years at 4% p.a. simple interest. He immediately lends it to another person at 6p.a for 2 years. Find his gain in the transaction per year.                                                         (1)

  1. 1. Rs. 112.50
  2. 2. Rs. 125
  3. 3. Rs. 150
  4. 4. Rs. 167.50
Each of the questions given below consists of a question followed by three statements. You have to study the question and the statements and decide which of the statement(s) is/are necessary to answer the question.4. What is the principal sum?                                                                           (5)

  1. I. The sum amounts to Rs. 690 in 3 years at S.I.
  2. II. The sum amounts to Rs. 750 in 5 years at S.I.
  3. III. The rate of interest is 5% p.a.
  1. 1. I and III only
  2. 2. II and III only
  3. 3. I and II only
  4. 4. I and III only, or II and III only
  5. 5. Any two of the three
5. In a certain store, the profit is 320% of the cost. If the cost increases by 25% but the selling price remains constant, approximately what percentage of the selling price is the profit?                                                 (2)

  1. 1. 30%
  2. 2. 70%
  3. 3. 100%
  4. 4. 250%