Questions And Answers.
Which of these fraction is not equivalent to a terminating decimal number?
A) 12/14
B) 4/5
C) 5/8
D) 24/64 - Answer A) 12/14
A commercial popcorn machine makes 12lbs of popcorn, which can fill _____ 4 oz bags.
A) 24
B) 36
C) 40
D) 48 - Answer D) 48
On a charity walk, Maggie earns $5 for each km she walks. If a mile is approximately 1.3 km,
how much does she earn if she walks 3.5 miles?
A) $6.50
B) $14.55
C) $17.50
D) $22.75 - Answer D) 22.75
A 4-km object revolves in a circle at a constant speed and the centripetal force is 200N. If the
mass of the object is doubled while its speed and radius remain unchanged, the centripetal
force on the object will now be
A) 50 N
B) 200 N
C) 400 N
D) 800 N - Answer 400 N
How many miles equal 2.75km? (1km = 0.6mi) - Answer 1.65 mi
, B) 2:30am
C) 2:40am
D) 3:10am - Answer C) 2:40am
If Y and X are odd, which expression must be odd?
A) Y - X
B) Y + X
C) Y - X + 2
D) Y - X + 1 - Answer D) Y - X + 1
Jose, Louis and Li bought a car. Jose paid 1/3 of the car, Louis paid 2/5- what did Li pay? -
Answer 4/15
From an 8oz bottle of medicine, how many doses can be obtained if each dose is 2 teaspoons?
( 1 tablespoon = 3tsp = 0.5oz ) - Answer 24
The concentration of allergens in an experiment sample of air is one part per billion. Which of
these mathematical notations represents this concentration?
A) 1.0 x 10 ^-11
B) 1.0 x 10 ^-9
C) 1.0 x 10 ^-7
D) 1.0 x 10 - Answer B) 1.0 x 10 ^-9
What is the reciprocal of 2 3/4? - Answer 4/11
A packet of ground beef weighs 2.36lbs and costs $1.99 per pound. What is the price of beef to
the nearest cent? - Answer $4.70
A gear wheel with 9 teeth plays into a gear wheel with 27 teeth. When the smaller wheel has
made 42 revolutions, how many has the larger one made?
A) 14
B) 16
C) 120