Math Problems Part-6

 81. How many inches are there in 4 feet?
a. 12 inches
b. 36 inches
c. 48 inches
d. 52 inches

82. Dave is 46 years old, twice as old as Rajeeve.
How old is Rajeeve?
a. 30 years old
b. 28 years old
c. 23 years old
d. 18 years old

83. Salesperson Rita drives 2,052 miles in 6 days,
stopping at 2 towns each day. How many miles
does she average between stops?
a. 171 miles
b. 342 miles
c. 684 miles
d. 1,026 miles

84. During the last week of track training,
Shoshanna achieves the following times in seconds:
66, 57, 54, 54, 64, 59, and 59. Her three
best times this week are averaged for her final
score on the course.What is her final score?
a. 57 seconds
b. 55 seconds
c. 59 seconds
d. 61 seconds

85. A train must travel to a certain town in six
days. The town is 3,450 miles away. How many
miles must the train average each day to reach
its destination?
a. 500 miles
b. 525 miles
c. 550 miles
d. 575 miles

86. On a certain day, the nurses at a hospital
worked the following number of hours: Nurse
Howard worked 8 hours; Nurse Pease worked
10 hours; Nurse Campbell worked 9 hours;
Nurse Grace worked 8 hours; Nurse McCarthy
worked 7 hours; and Nurse Murphy worked 12
hours. What is the average number of hours
worked per nurse on this day?
a. 7
b. 8
c. 9
d. 10

87. A car uses 16 gallons of gas to travel 448 miles.
How many miles per gallon does the car get?
a. 22 miles per gallon
b. 24 miles per gallon
c. 26 miles per gallon
d. 28 miles per gallon

88. A floppy disk shows 827,036 bytes free and
629,352 bytes used. If you delete a file of size
542,159 bytes and create a new file of size
489,986 bytes, how many free bytes will the
floppy disk have?
a. 577,179 free bytes
b. 681,525 free bytes
c. 774,863 free bytes
d. 879,209 free bytes

89. A family’s gas and electricity bill averages $80 a
month for seven months of the year and $20 a
month for the rest of the year. If the family’s
bills were averaged over the entire year, what
would the monthly bill be?
a. $45
b. $50
c. $55
d. $60

90. If a vehicle is driven 22 miles on Monday, 25
miles on Tuesday, and 19 miles on Wednesday,
what is the average number of miles driven
each day?
a. 19 miles
b. 21 miles
c. 22 miles
d. 23 miles

91. A piece of gauze 3 feet 4 inches long was
divided in 5 equal parts. How long was each
part?
a. 1 foot 2 inches
b. 10 inches
c. 8 inches
d. 6 inches

92. Each sprinkler head on an athletic field sprays
water at an average of 16 gallons per minute. If
5 sprinkler heads are flowing at the same time,
how many gallons of water will be released in
10 minutes?
a. 80 gallons
b. 160 gallons
c. 800 gallons
d. 1650 gallons

93. Use the following data to answer this question:
Lefty keeps track of the length of each fish that
he catches. Below are the lengths in inches of
the fish that he caught one day:
12, 13, 8, 10, 8, 9, 17
What is the median fish length that Lefty
caught that day?
a. 8 inches
b. 10 inches
c. 11 inches
d. 12 inches

94. If it takes two workers, working separately but
at the same speed, 2 hours and 40 minutes to
complete a particular task, about how long will
it take one worker, working at the same speed,
to complete the same task alone?
a. 1 hour 20 minutes
b. 4 hours 40 minutes
c. 5 hours
d. 5 hours 20 minutes

95. A snack machine accepts only quarters. Candy
bars cost 25¢, packages of peanuts cost 75¢,
and cans of cola cost 50¢. How many quarters
are needed to buy two candy bars, one package
of peanuts, and one can of cola?
a. 8 quarters
b. 7 quarters
c. 6 quarters
d. 5 quarters

96. A street sign reads “Loading Zone 15 Minutes.”
If a truck pulls into this zone at 11:46 A.M., by
what time must it leave?
a. 11:59 A.M.
b. 12:01 P.M.
c. 12:03 P.M.
d. 12:06 P.M.

Answers:

81. c. First ask how many inches are in one foot;
the answer is 12 inches. Now multiply: 12 × 4
= 48 inches.

82. c. This is a basic division problem: 46 ÷ 2 =
23. Rajeeve is 23 years old.

83. a. This is a two-step division problem: 2,052
miles ÷ 6 days = 342 miles per day; 342 miles
per day ÷ 2 stops = 171 miles between stops.

84. b. Shoshanna’s three best (that is, lowest)
times are 54, 54, and 57, which add up to 165.
Now divide to find the average of these times:
165 ÷ 3 = 55. If you got the wrong answer, you
may have added all of Shoshanna’s times,
rather than just her best three. Even when the
problem seems simple and you’re in a hurry,
be sure to read carefully.

85. d. To find the average, divide the total number
of miles, 3,450, by 6 days: 3,450 miles ÷ 6 days
= 575 miles per day.

86. c. First find the total hours worked by all six
nurses; 8 + 10 + 9 + 8 + 7 + 12 = 54. Then find
the average by dividing the total hours by the
number of nurses; 54 ÷ 6 = 9.

87. d. Take the total number of miles and find the
average by dividing: 448 miles ÷ 16 gallons =
28 miles per gallon.

88. d. 827,036 bytes free + 542,159 bytes freed
when the document was deleted = 1,369,195
bytes; 1,369,195 bytes − 489,986 bytes put into
the new file = 879,209 bytes left free.

89. c. The solution to the problem entails several
operations: First,multiply $80 per month by 7
months = $560. Next,multiply $20 per month
by the remaining 5 months = $100. Now find
the average for the entire year. Add the two
amounts: $560 + $100 = $660. Now divide:
$660 ÷ 12 months in a year = $55.

90. c. This is a two-step problem. First, add the
three numbers: 22 + 25 + 19 = 66. Now divide
the sum by 3 to find the average: 66 ÷ 3 = 22.

91. c. First, convert feet to inches: 3 feet = 3 × 12
inches = 36 inches. Now add 4 inches: 36
inches + 4 inches = 40 inches. Then do the
final operation: 40 inches ÷ 5 = 8 inches.

92. c. Multiply 16 × 5 to find out how many gallons
all five sprinklers will release in one
minute. Then multiply the result (80 gallons
per minute) by the number of minutes (10) to
get the entire amount released: 80 × 10 = 800
gallons.

93. b. The median value is the middle value in the
list when the numbers are arranged in ascending
or descending order. In ascending order
this list becomes 8, 8, 9, 10, 12, 13, 17. The
middle number in this list is 10.

94. d. It will take one worker about twice as long
to complete the task, so you must multiply the
original hours and minutes times 2: 2 hours 40
minutes × 2 = 4 hours 80 minutes, which is
equal to 5 hours 20 minutes.

95. b. Two candy bars require 2 quarters; one
package of peanuts requires 3 quarters; one
can of cola requires 2 quarters—for a total of 7
quarters.

96. b. If it is 11:46 A.M., in 14 minutes it will be
noon. In 15 minutes, then, it will be 12:01 P.M..