Quantitative Aptitude

 

1. Kishore can do a piece of work in a certain number of days. To do the same piece of work, Sheetal takes thrice the number of days as Kishore takes whereas Pankaj takes thrice as many days as Sheetaldoes and Shweta takes thrice as many days as Pankaj does. Now, they are paired and two groups are formed. The first pair takes one-third the time taken by the second pair to complete the work. Which is the first pair?                    (2)

  1. (1) Kishore and Shweta
  2. (2) Kishore and Pankaj
  3. (3) Pankaj and Sheetal
  4. (4) Sheetal and Shweta
  5. (5) None of these

2. Akshar, Akshay and Akshat have to read a document of seventy eight pages and make a presentation next day. They realize that the article is difficult to understand and they would require team work to finish the assignment. Akshar can read a page in 2 min, Akshay in 3 min, and Akshat in 4 min. If they divide the article into 3 parts so that all three of them spend the equal amount of time on the article, the number of pages that Akshay should read is                                                                                                          (1)

  1. (1) 24
  2. (2) 25
  3. (3) 26
  4. (4) 27
  5. (5) 28

3. A, B and C can do a piece of work in 12, 18 and 24 days respectively, they work at it together, A stops the work after 4 days and B is called off 2 days before the work is done. In what time was the work finished?               (4)

  1. (1) 12 days
  2. (2) 14 days
  3. (3) 16 days
  4. (4) 8 days
  5. (5) None of these

4. 25 men can do a work in 20 days, when should 15 men leave the work, if the whole work is to be completed in 75/2 days after they leave the work?                                                           (3)

  1. (1) 3 days
  2. (2) 4 days
  3. (3) 5 days
  4. (4) 6 days
  5. (5) None of these

5. Three pipes A, B and C can fill a tank in 15 minutes, 20 minutes and 30 minutes respectively. The pipe C is closed 6 minutes before the tank is filled. In what time the tank will be full?                                           (2)

  1. (1) 6 minutes
  2. (2) 8 minutes
  3. (3) 12 minutes
  4. (4) 14 minutes
  5. (5) None of these