Quantitative Aptitude

1. In a college, the ratio of boys to girls is 31 : 23 respectively. When 75 more girls join the college, this ratio becomes 124 : 107. How many more girls should join the college to make the number of boys and girls equal?   (4)

  1. (1) 75
  2. (2) 90
  3. (3) 60
  4. (4) 85
  5. (5) None of these

2. The compound interest accrued on an amount at the end of two years at the rate of 12 p.c.p.a is Rs. 2,862/-. What is the amount?                                                                                 (4)

  1. (1) Rs. 11,250/-
  2. (2) Rs. 12,200/-
  3. (3) Rs. 13,500/-
  4. (4) Rs. 10,000/-
  5. (5) None of these

3. A 280 m long train, travelling at a uniform speed, crosses a platform in 60 seconds and a man standing on the platform in 20 seconds. What is the length of the platform?                                                 (3)

  1. (1) 640 m
  2. (2) 420 m
  3. (3) 280 m
  4. (4) Cannot be determined
  5. (5) None of these

4. A triangle has two of its angles in the ratio of 1 : 2. If the measure of one of the other angle is 30 degrees, what is the measure of the largest angle of the triangle in degrees?                                                         (2)

  1. (1) 100°
  2. (2) 90°
  3. (3) 135°
  4. (4) Cannot be determined
  5. (5) None of these

5. In how many different ways can the numbers ‘256974’ be arranged, using each digit only once in each arrangement, such that the digits 6 and 5 are at the extreme ends in each arrangement?                       (1)

  1. (1) 48
  2. (2) 720
  3. (3) 36
  4. (4) 360
  5. (5) None of these