#81.
Three pipes are used to fill a pool with water. One
pipe alone can fill the pool in 9 hours. Another
can fill it in 6 hours. The third can fill it in 3 hours.
How many minutes will it take to fill this pool if all
three pipes are used simultaneously?
A
98
B
54
C
11
D
1.63
Answer: 1.63
#82.
If three secretaries can type six manuscripts in 12
days, how many days will it take two secretaries
to type three such manuscripts?
A
4
B
16
C
12
D
9
Answer: 9
#83.
A pulley whose diameter is 9 inches is connected
by a belt to another pulley whose diameter is 6
inches. If the larger pulley runs at 1200
revolutions per minutes, at how many revolutions
per minutes does the smaller pulley run?
A
800
B
1600
C
1800
D
1080
Answer: 1600
#84.
How many tiles are needed to cover a bathroom
floor 3 m long and 2m wide if each tile is a square
of side 1 decimeter?
A
60
B
600
C
120
D
1200
Answer: 60
#85.
A tank is ¾ filled with oil. After 65 liters of oil are
drawn out, the tank is still half full. How many
liters can the tank hold?
A
130
B
195
C
260
D
360
Answer: 260
#86.
There are 252 students in a school. If the ratio of
female to male students is 3:4, how many female
students are there?
A
189
B
108
C
124
D
63
Answer: 108
#87.
A father willed that his three sons’s inheritance
from him (starting from eldest) be in ratio 1:2:3. If
the middle sons’s inheritance was P27,000, how
much did the third (or youngest) son inherit?
A
P81,000
B
P13,500
C
P54,000
D
P40,500
Answer: P40,500
#88.
Mercury boils at 675 oF. what is the boiling point
of mercury in oC?
A
675
B
735
C
537
D
357
Answer: 357
#89.
What is the area of the square inscribed in the
quadrant if the radius of the circle is 10 cm?
A
78.54 cm2
B
100 cm2
C
75 cm2
D
50 cm2
Answer: 50 cm2
#90.
What amount should be paid on February 14,
1991 on a loan of P 5,090 made October 7, 1990
with 5.6% simple interest?
A
P 5 200
B
P 5 910.56
C
P 6 000
D
P 5 190.56
Answer: P 5 190.56
#91.
A truck starts from rest and moves with constant
acceleration of 5 m/s2. What is its distance
traveled after 4 seconds has elapsed?
A
80
B
30
C
20
D
40
Answer: 40
#92.
A marble dropped from a bridge strikes the water
in 5 seconds. What is the height of the bridge?
A
123 m
B
122 m
C
125 m
D
120 m
Answer: 123 m
#93.
A refrigerators cost P 15,000 when it is new. It
depreciates at the rate of 10% per year. What
would it worth after 10 years?
A
P 5,230.18
B
P 5,330.21
C
P 5,233.12
D
P 5,030.14
Answer: P 5,230.18
#94.
How much work is required to lift a 50 pounds
weight 100 ft vertically from ground level?
A
5000 ft-lb
B
500 ft-lb
C
50 ft-lb
D
250 ft-lb
Answer: 5000 ft-lb
#95.
A swimming pool is 5 m wide, 20 m long and
1.20 m deep, is being filled up with a pipe at the
rate of 85 gallons per minutes. How long does it
take to fill the pool?
A
6 hrs
B
7 hrs
C
5 hrs
D
6.2 hrs
Answer: 6.2 hrs
#96.
What is the radius of a circle whose area is equal to that
of a rectangle whose sides are 20 meters and 30
meters respectively?
A
13.83 m
B
15.92 m
C
14.92 m
D
9.17 m
Answer: 13.83 m
#97.
Find the height of a cylinder tank which is filled
with water weighing 200 kg and its diameter of
the base is 0.4 m (specific gravity of water=1).
A
1.592 m
B
15.92 m
C
14.92 m
D
1.492 m
Answer: 1.592 m
#98.
A plumber crossed a river 30 m wide but current
brought 40 m beyond and further to the opposite
bank. What is the total distance traveled?
A
35 m
B
65 m
C
45 m
D
55 m
Answer: 45 m
#99.
A car 15 ft long overtakes a truck 30 ft. long which
is traveling at a rate 45 mph. How fast must the
car travel to pass the truck in 3 seconds?
A
65
B
55
C
45
D
75
Answer: 75
#100.
If the numerator of a fraction is doubled and the
denominator is increased by 7, the value becomes
2/3. If the denominator is doubled and the
numerator is increased by 2, the value becomes
3/5. Find the original fraction.
A
4/5
B
3/4
C
5/6
D
4/7
Answer: 4/5
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