RRB-Arithmetic Ability-Quiz

1. A shopkeeper makes a profit of 20% even after giving a discount of 10% on the marked price of an article. If marked price is Rs. 500, then the cost price of the article is (2)

  1. Rs. 350
  2. Rs. 375
  3. Rs. 425
  4. Rs. 475

2. A can do a piece of work in 70 days and B is 40% more efficient than A. The number of days taken by B to do the same work is (3)

  1. 40
  2. 60
  3. 50
  4. 45

3. Some carpenters promised to do a job in 9 days but 5 of them were absent and remaining men did the job in 12 days. The original number of carpenters was (2)

  1. 24
  2. 20
  3. 16
  4. 18

4. A tree increased annually by 1/8th of its height. By how much will it increase after 2 yr, if it stands today 64 cm height? (4)

  1. 72 cm
  2. 74 cm
  3. 75 cm
  4. 81 cm

5. If a train runs of 40 km/h, it reaches its destination late by 11 min. But if it runs at 50 km/h, it is late by 5 min only. The correct time (in min) for the train to complete the journey is (3)

  1. 13
  2. 15
  3. 19
  4. 21