GMAT Test practice questions, page 57 of 65, with answer review and explanations.
Question 281
Rain is falling at a rate of 3 centimeters per hour all over Springfield. Somewhere downtown in Springfield a group of pigeons is waiting for the rain to stop. If the rain filled a round puddle the with a base area of 350 square centimeters and a depth of 13.5 centimeters, how long did the pigeons wait for the rain to stop?
3 hours and 12 minutes.
four hours and 30 minutes.
four hours and 45 minutes.
five hours and 10 minutes.
five hours and 30 minutes.
Question 282
Ronald is now 4.5 years older than Andrew and third of that amount older than Ingrid. If in 0.5 years, Ronald will be three times older than Andrew, then in 2.25 years what would be Ingrid's divided by Andrew's age multiplied by Ronald's age?
8.125
12.5
12.875
14.875
15.225
Question 283
Richard is now 14.5 years older than Arthur and half of that amount older than Sam. If in 2.75 years, Richard will be twice and a half older than Arthur, then in 7 years what would be Arthur's age approximately?
8
14
22
24
30
Question 284
In 13.5 years Stacy will be as old as Carolyn is now. Thirty-two years ago Carolyn was two and a half the age of Stacy. How old will Stacy be a decade from now?
36
47
51
64
71
Question 285
X years in the future, Zach will be Y years old. Z years in the future, Zach will be how old?