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Arithmetic Ability
Decimal Fraction
Quiz 1
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Q.1
0.04 x 0.0162 is equal to:
6.48 x 10
-3
6.48 x 10
-4
6.48 x 10
-5
6.48 x 10
-6
Q.2
If $$\frac{{144}}{{0.144}} = \frac{{14.4}}{x},$$ then the value of x is:
0.0144
1.44
14.4
144
Q.3
0.002 x 0.5 = ?
0.0001
0.001
0.01
0.1
Q.4
58.621 - 13.829 - 7.302 - 1.214 = ?
31.254
35.272
36.276
37.281
None of these
Q.5
The numerator of a fraction is decreased by 25% and the denominator is increased by 250%. If the resultant fraction is $$\frac{6}{5}$$, what is the original fraction ?
$$\frac{22}{5}$$
$$\frac{24}{5}$$
$$\frac{27}{6}$$
$$\frac{28}{5}$$
$$\frac{30}{11}$$
Q.6
When 52416 is divided by 312, the quotient is 168. What will be the quotient when 52.416 is divided by 0.0168 ?
3.12
312
3120
None of these
Q.7
The value of (1.25)
3
- 2.25 (1.25)
2
+ 3.75 (0.75)
2
- (0.75)
3
is :
1
$$\frac{1}{2}$$
$$\frac{1}{4}$$
$$\frac{1}{8}$$
Q.8
383 × 38 × 3.8 = ?
55305.2
56305.4
57305.6
58305.8
None of these
Q.9
What is the difference between the biggest and the smallest fraction among $$\frac{2}{3}$$, $$\frac{3}{4}$$, $$\frac{4}{5}$$ and $$\frac{5}{6}$$ ?
$$\frac{1}{6}$$
$$\frac{1}{12}$$
$$\frac{1}{20}$$
$$\frac{1}{30}$$
Q.10
32.4 × 11.5 × 8.5 = ?
3149.5
3129.1
3167.1
3162.5
None of these
Q.11
The value of $$\frac{{3.6 \times 0.48 \times 2.50}}{{0.12 \times 0.09 \times 0.5}}$$ is :
80
800
8000
80000
Q.12
The arrangement of rational numbers, $$\frac{- 7}{10}$$, $$\frac{5}{- 8}$$, $$\frac{2}{- 3}$$ in ascending order is :
$$\frac{2}{{ - 3}},\frac{5}{{ - 8}},\frac{{ - 7}}{{10}}$$
$$\frac{5}{{ - 8}},\frac{{ - 7}}{{10}},\frac{2}{{ - 3}}$$
$$\frac{{ - 7}}{{10}},\frac{5}{{ - 8}},\frac{2}{{ - 3}}$$
$$\frac{{ - 7}}{{10}},\frac{2}{{ - 3}},\frac{5}{{ - 8}}$$
Q.13
$$\frac{5 × 1.6 - 2 × 1.4}{1.3}$$ = ?
0.4
1.2
1.4
4
Q.14
Solve $$\frac{{21.5}}{5} + \frac{{21}}{6}$$ $$ - \frac{{13.5}}{{15}}$$ $$ = \left\{ {\frac{{{{\left( ? \right)}^{\frac{1}{3}}}}}{4}} \right\}$$ $$ + \frac{{17}}{{30}}$$
2
8
512
324
None of these
Q.15
Out of the fractions $$\frac{9}{31}$$, $$\frac{3}{17}$$, $$\frac{6}{23}$$, $$\frac{4}{11}$$ and $$\frac{7}{25}$$ which is the largest ?
$$\frac{9}{31}$$
$$\frac{3}{17}$$
$$\frac{6}{23}$$
$$\frac{4}{11}$$
None of these
Q.16
The number 0.121212 ..... in the form $$\frac{p}{q}$$ is equal to :
$$\frac{2}{11}$$
$$\frac{4}{11}$$
$$\frac{2}{33}$$
$$\frac{4}{33}$$
Q.17
Find the value of the following expression upto four places of decimals.
$$\left[ {1 + \frac{1}{{1 \times 2}} + \frac{1}{{1 \times 2 \times 4}} + \frac{1}{{1 \times 2 \times 4 \times 8}} + \frac{1}{{1 \times 2 \times 4 \times 8 \times 16}}} \right]$$
1.6414
1.6415
1.6416
1.6428
Q.18
Which of the following are in descending order of their values ?
$$\frac{{5}}{{9}},\frac{{7}}{{11}},\frac{{8}}{{15}},\frac{{11}}{{17}}$$
$$\frac{{5}}{{9}},\frac{{8}}{{15}},\frac{{11}}{{17}},\frac{{7}}{{11}}$$
$$\frac{{11}}{{17}},\frac{{7}}{{11}},\frac{{8}}{{15}},\frac{{5}}{{9}}$$
$$\frac{{11}}{{17}},\frac{{7}}{{11}},\frac{{5}}{{9}},\frac{{8}}{{15}}$$
Q.19
3927 + 5526 ÷ 12.5 = ?
750.24
756.24
4369.08
4369.24
None of these
Q.20
The value of $$\frac{{3.157 \times 4126 \times 3.198}}{{63.972 \times 2835.121}}$$ is closest to :
0.002
0.02
0.2
2
Q.21
47.7 × 12.4 × 8.6 = ?
5086.728
5218.668
5708.428
6180.656
None of these
Q.22
The value of $$\left( {\frac{{0.943 \times 0.943 - 0.943 \times 0.057 + 0.057 \times 0.057}}{{0.943 \times 0.943 \times 0.943 + 0.057 \times 0.057 \times 0.057}}} \right)$$ is :
0.32
0.886
1.1286
None of these
Q.23
[(?)
2
+ (18)
2
] ÷ 125 = 3.56
11
12
14
15
None of these
Q.24
The rational number for the recurring decimal 0.125125..... is :
$$\frac{{63}}{{487}}$$
$$\frac{{119}}{{993}}$$
$$\frac{{125}}{{999}}$$
None of these
Q.25
Which of the following fractions lies between $$\frac{2}{3}$$ and $$\frac{3}{5}$$ = ?
$$\frac{2}{5}$$
$$\frac{1}{3}$$
$$\frac{1}{15}$$
$$\frac{31}{50}$$
Q.26
Solve : $$7\frac{1}{2} - $$ $$\left[ {2\frac{1}{4} ÷ \left\{ {1\frac{1}{4} - \frac{1}{2}\left( {1\frac{1}{2} - \frac{1}{3} - \frac{1}{6}} \right)} \right\}} \right]$$ = ?
$$\frac{2}{9}$$
$$4\frac{1}{2}$$
$$9\frac{1}{2}$$
$$1\frac{77}{228}$$
Q.27
Which part contains the fractions in ascending order ?
$$\frac{{11}}{{14}},\frac{{16}}{{19}},\frac{{19}}{{21}}$$
$$\frac{{16}}{{19}},\frac{{11}}{{14}},\frac{{19}}{{21}}$$
$$\frac{{16}}{{19}},\frac{{19}}{{21}},\frac{{11}}{{14}}$$
$$\frac{{19}}{{21}},\frac{{11}}{{14}},\frac{{16}}{{19}}$$
Q.28
$$0.\overline {142857} \div 0.\overline {285714} $$ is equal to :
$$\frac{1}{2}$$
$$\frac{1}{3}$$
2
10
Q.29
$$\frac{{4.2 \times 4.2 - 1.9 \times 1.9}}{{2.3 \times 6.1}}$$ is equal to:
0.5
1
20
22
Q.30
$$\frac{{{{\left( {0.013} \right)}^3} + 0.000000343}}{{{{\left( {0.013} \right)}^2} - 0.000091 + 0.000049}} = \,?$$
0.002
0.020
0.021
0.023
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