GMAT Test

GMAT Test practice questions, page 11 of 65, with answer review and explanations.

Question 51

If 20 typists can type 48 letters in 20 minutes, then how many letters will 30 typists working at the same rate complete in 1 hour?

  1. 63
  2. 72
  3. 144
  4. 216
  5. 400

Question 52

What is the final balance of a bank account after two years if the starting balance is $1,000 at an annual rate of 5%, using simple interest? Assume no other money was withdrawn or deposited.

  1. $50
  2. $100
  3. $1,050
  4. $1,100
  5. $1,150

Question 53

Which of the following has the smallest numerical value?

  1. 2 ֳ— 2
  2. 2
  3. 2 ֳ— 2
  4. (2 )
  5. 2 ֳ— 3

Question 54

How many liters of a 40% iodine solution need to be mixed with 35 liters of a 20% iodine solution to create a 35% iodine solution?

  1. 35
  2. 49
  3. 100
  4. 105
  5. 140

Question 55

If it takes Steve 6 hours to tile a floor and Cheryl 4 hours to tile the same floor, how long would it take both Steve and Cheryl to tile the floor if they worked together?

  1. 2 hours 12 minutes
  2. 2 hours 24 minutes
  3. 3 hours
  4. 3 hours 12 minutes
  5. 10 hours