BASIC Math
If 100 + x = 100, then x = ?
A) -100
B) -10
C) 0
D)10 - correct answer-c
The percent decrease from 12 to 9 is equal to the percent decrease from 40 to what
number?
A) 3
B) 10
C) 25
D) 30 - correct answer-d
On a certain planet, if each year has 9 months and each month has 15 days, how many full
years have passed after 700 days on this plant?
A) 1
B) 2
C) 3
D) 5 - correct answer-d
(1/5 + 1/3) / 1/2 = ?
A) 1/8
B) 1/4
C) 4/15
D) 16/15 - correct answer-d
Marty has exactly 5 blue pens, 6 black pens, and 4 red pens in his backpack. If he pulls out
one pen at random from his backpack, what is the probability that the pen is either red or
black?
A) 1 out of 5
B) 1 out of 3
C) 1 out of 2
D) 2 out of 3 - correct answer-d
Bill has to type a paper that is p pages long, with each page containing w words. If Bill types
an average of x words per minute, how many hours will it take him to finish the paper?
A) 60wpx
B) wx/60p
If 100 + x = 100, then x = ?
A) -100
B) -10
C) 0
D)10 - correct answer-c
The percent decrease from 12 to 9 is equal to the percent decrease from 40 to what
number?
A) 3
B) 10
C) 25
D) 30 - correct answer-d
On a certain planet, if each year has 9 months and each month has 15 days, how many full
years have passed after 700 days on this plant?
A) 1
B) 2
C) 3
D) 5 - correct answer-d
(1/5 + 1/3) / 1/2 = ?
A) 1/8
B) 1/4
C) 4/15
D) 16/15 - correct answer-d
Marty has exactly 5 blue pens, 6 black pens, and 4 red pens in his backpack. If he pulls out
one pen at random from his backpack, what is the probability that the pen is either red or
black?
A) 1 out of 5
B) 1 out of 3
C) 1 out of 2
D) 2 out of 3 - correct answer-d
Bill has to type a paper that is p pages long, with each page containing w words. If Bill types
an average of x words per minute, how many hours will it take him to finish the paper?
A) 60wpx
B) wx/60p
