FORTUNE
Academy
for career and competitive exams
QUESTIONS ON
DECIMAL FRACTIONS
1.
.2 x .2 x .2 = ?
a.
.006
b.
.8
c.
0.08
d.
.008
e.
none of these
2.
.024 x .02 - .00028 = ?
a.
.00020
b.
0.00200
c.
.02000
d.
2.0000
e.
none of these
3.
If 1 mile =1.609 km what is the value of 1/1000
mile in meters?
a.
169.2 m
b.
1.609 m
c.
.1609m
d.
16.09m
e.
none of these
4.
If a book is 2.7 cm thick, what is the height of
a pile of 21 such books in metre?
a.
5.67m
b.
.578m
c.
6.57m
d.
.567m
e.
none of these
5.
2/3 of 3.36 =?
a.
22.4
b.
2.24
c.
20.4
d.
224
e.
none of these
6.
4/5 of 3.50
a.
0.70
b.
2.80
c.
28.0
d.
2.70
e.
none of these
7.
(.3)(.3)(.3)=?
a.
.001
b.
.003
c.
.027
d.
.333
e.
none of these
8.
1/3 + .2 + .75 =?
a.
5.25
b.
1.3
c.
4/15
d.
77/60
e.
none of these
9.
if 19 x 21 =399, then (19 x 2.1) / .001 =?
a.
0.0399
b.
39.9
c.
39900
d.
399
e.
none of these
10.
4.5 should be divided by what to get 20% of 90 ?
a.
.25
b.
.025
c.
25
d.
18
e.
none of these
11.
584.63 - ?= 540.48
a.
1124.75
b.
1124.37
c.
44.15
d.
45.15
e.
none of these
12.
15.05 – 5.045 = ?
a.
8.005
b.
9.015
c.
7.505
d.
10.005
e.
none of these
13.
(12.48 ÷ 3.9) / (39 – 38.8) =?
a.
8
b.
16
c.
24
d.
48
e.
none of these
14.
which of the following is the largest fraction?
a.
¼
b.
2/5
c.
3/7
d.
4/9
e.
both a and d
15.
6 x 0.75 + 9 x 0.25 + 4 x 0.10 + 7 x 0.05 =?
a.
8.50
b.
7.50
c.
7.75
d.
8.80
e.
none of these
16.
0.25 x 0.025 =?
a.
0.000625
b.
0.0625
c.
0.625
d.
0.00625
e.
none of these
17.
303.51 + 175.49 – 298.05 = ?
a.
190.85
b.
180.95
c.
200.75
d.
170.45
e.
none of these
18.
11.84 x 5/8 =?
a.
7.50
b.
7.70
c.
7.40
d.
9.50
e.
none of these
19.
(.05 x .05 x .05 - .04 x .04 x.04) ÷
(.05 x .05 + .05 x .04 + .04 x.04)
a.
.09
b.
.02
c.
.2
d.
.01
e.
none of these
20.
(.25 x .25 - .24 x .24) ÷ .49 =?
a.
.1
b.
.01
c.
.001
d.
.0001
e.
none of these
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