GMAT Test

GMAT Test practice questions, page 25 of 65, with answer review and explanations.

Question 121

John traveled 80% of the way from Yellow-town to Green-fields by train at an average speed of 80 miles per hour. The rest of the way John traveled by car at an average speed of v miles per hour. If the average speed for the entire trip was 60 miles per hour, what is v in miles per hour?

  1. 30
  2. 40
  3. 50
  4. 55
  5. 70

Question 122

The ratio between the number of sheep and the number of horses at the Stewart farm is 4 to 7, If each horse is fed 230 ounces of horse food per day and the farm needs a total 12,880 ounces of horse food per day, what is the number of sheep in the farm?

  1. 18
  2. 28
  3. 32
  4. 56
  5. 60

Question 123

The volume of water inside a swimming pool doubles every hour. If the pool is filled to its full capacity within 8 hours, in how many hours was it filled to one quarter of its capacity?

  1. 2
  2. 4
  3. 5
  4. 6
  5. 7

Question 124

Two carpenters, working in the same pace, can build 2 desks in two hours and a half. How many desks can 4 carpenters build in 4 hours?

  1. 2.4.
  2. 3.6.
  3. 4.2.
  4. 5.5.
  5. 6.4

Question 125

There are 40 students in a classroom, 9/20 of them are boys and 4/5 of them are right-handed. How many right-handed boys are there in the classroom?

  1. Between 10 and 32.
  2. Between 14 and 32.
  3. Between 10 and 18.
  4. Between 14 and 18.
  5. Between 18 and 36.