Direction: Each of the following questions and problems and number series, choose the correct answer from the choices given.
1. Write 3.4% as a fraction.
1) 3.4/100
2) 3.4/100
3) 34/100
4) .34/1000
5) 34/100
Ans: 1
2. Write ¾ % as a decimal.
1) 75
2) 075
3) .0075
4) .00075
5) 7.5
Ans: 3
3. The number missing in the series 6, 12, 20, 30, ?, 56, 72 is ?
1) 38
2) 42
3) 44
4) 48
5) 52
Ans: 2
( 6 + 6 = 12 + 8 = 20 + 10 = 30 + 12 = 42 + 14 = 56 + 16 = 72 )
4. If ;he following numbers are arranged in order from smallest to the largest, what will be the correct order?
a) 9/13
b) 13/9
c) 70%
d) 1/70
1) bacd
2) cbad
3) cdab
4) bdca
5) acdb
Ans: 5
a. 9/13=69; c. 70%=70; d. 1/70=1.42; b. 13/9=1.44
5. 3 is 6% of a certain number. What is the number?
1) 53
2) 50
3) 48
4) 18
5) 24
Ans: 2
6%X = 3; .06X = 3
.06 .06
X = 50
6. What is the average of 0.6, 6.6, 0.4, and 2.4?
1
10
2 1/5
2
12
Ans: 3
0.6 + 6.6 + 0.4 + 2.4 = 10/4 = 2.5 or 2 ½
7. what is the sum of ̀√12 + √27?
√29
5 √3
3 √5
13√3
7√3
Ans: 2
√12 = √4 √3 √27 = √9 √3
= 2 √3 = 3 √3
2√3 + 3√3
= 5 √3
8. Find 65% of 75.
4.87
488
48.75
487.50
48.80
Ans: 3
75 x 65/100 = 4875/100 = 48.75
9. P25.00 is 20% of what?
P1,250
P125.00
P128.50
P120.00
P500
Ans: 2
20X = 25
.20 .20
= 125
10. 12 is 125% of what number?
9.6
8
9
10
8.6
Ans: 1
125% = 1 ¼ or 5/4
= 5X = 12 5X = 12(4) X = 48
4 5 5 5
X = 9.6
11. What percent of 16 is 40?
2.5%
2500%
¼
250%
25%
Ans: 4
16X = 40
16 16
X= 2.5 x 100 = 250%
12. 1 ¼ subtracted from its reciprocal is?
-9/20
45
2.25
9/20
-1/5
Ans: 1
1 ¼ = 5/4 4/5 – 5/4 = 16 – 25
20 = -9/20
(20/5X4=16; 20/4×5=25)
13. What is the ratio of ¼ to 3/5?
1:30
3:20
5:12
3:4
5:4
Ans: 3
¼ : 3/5 = ¼ / 5/3 = 5/12 or 5:12 LCD = 12
14. what is the difference between √150 and √54?
3√6
16√6
√96
6√2
2√6
Ans: 5
√150 = √6 √25=5√6 ; √54 = √6 √9 =3√6
= 5√6-3√6=2√6
15. One tenth is what part of three-fourths?
3/40
1/8
2/15
15/2
40/3
Ans: 3
1/10 = X ( ¾ ) = 1/10 = 3X/4 = 30X/30 = 4/30 ; X = 2/15
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