TNPSC Quantitative Aptitude - Decimal Fractions
Exam Duration: 45 Mins Total Questions : 30
If 47.2506=\(4A+\frac { 7 }{ B } +2C+\frac { 5 }{ D } +6E\),then the value of 5A+3B+6C+D+3E is:
- (a)
53.6003
- (b)
53.603
- (c)
153.6003
- (d)
213.0003
Which of the following are in descending order of their value ?
- (a)
\(\frac { 5 }{ 9 } ,\frac { 7 }{ 11 } ,\frac { 8 }{ 15 } ,\frac { 11 }{ 17 } \)
- (b)
\(\frac { 5 }{ 9 } ,\frac { 8}{ 15} ,\frac { 11 }{ 17 } ,\frac { 7 }{ 11 } \)
- (c)
\(\frac { 11 }{ 17 } ,\frac { 7 }{ 11 } ,\frac { 8 }{ 15 } ,\frac { 5 }{ 9 } \)
- (d)
\(\frac { 11 }{ 17 } ,\frac { 7 }{ 11 } ,\frac { 5 }{ 9 } ,\frac { 8 }{ 15 } \)
Which part contains the fractions in ascending order ?
- (a)
\(\frac { 11 }{ 14 } ,\frac { 16 }{ 19 } ,\frac { 19 }{ 21 } \)
- (b)
\(\frac { 16 }{ 19 } ,\frac { 11 }{ 14 } ,\frac { 19 }{ 21 } \)
- (c)
\(\frac { 16 }{ 19 } ,\frac { 19 }{ 21 } ,\frac { 11 }{ 14 } \)
- (d)
\(\frac { 19 }{ 21 } ,\frac { 11 }{ 14 } ,\frac { 16 }{ 19 } \)
617+6.017+0.617+6.0017=?
- (a)
6.2963
- (b)
62.965
- (c)
629.6357
- (d)
None of these
48.95-32.006=?
- (a)
16.089
- (b)
16.35
- (c)
16.89
- (d)
16.944
What will come in place of question mark in the follwing equation?
54.(?)3+543+5.43=603.26
- (a)
5
- (b)
6
- (c)
8
- (d)
None of these
0.000006723 when expressed in scientific notation,is:
- (a)
\({ 6723\times 10 }^{ -5 }\)
- (b)
\({ 67.23\times 10 }^{ -7 }\)
- (c)
\({ 6.723\times 10 }^{ -6 }\)
- (d)
None of these
0.002\(\times \)0.5=?
- (a)
0.0001
- (b)
0.001
- (c)
0.01
- (d)
0.1
16.02\(\times \)0.001=?
- (a)
0.001602
- (b)
0.01602
- (c)
0.1602
- (d)
1.6021
\(1\over0.04\) is equal to
- (a)
\(1\over40\)
- (b)
\(2\over5\)
- (c)
\(2.5\)
- (d)
\(25\)
\([{{0.05\over0.25} + {0.25\over0.05}}]^{3}=?\)
- (a)
139.4
- (b)
140
- (c)
140.6
- (d)
143.9
If \({144\over0.144}={14.4\over x}\), then the value of x is :
- (a)
0.0144
- (b)
1.44
- (c)
14.4
- (d)
144
A tailor has 37.5 metres of cloth and he has to make 8 pieces out of a metre of cloth. How many pieces can he make out of this cloth?
- (a)
320
- (b)
360
- (c)
400
- (d)
None of these
The rational number for the recurring decimal 0.125125........ is
- (a)
\(63\over487\)
- (b)
\(119\over993\)
- (c)
\(125\over999\)
- (d)
None of these
The least among the following is:
- (a)
0.2
- (b)
1 \(\div\) 0.2
- (c)
\(0.\overline{2}\)
- (d)
\((0.2)^{2}\)
Let F=\(0.841\overline{81}\). When F is written as a fraction in lowest terms, the denominator exceeds the numerator by:
- (a)
13
- (b)
14
- (c)
29
- (d)
87
When 52416 is divided by 312, the quotient is 168. What will be the quotient when 52.416 is divided by 0.0168 ?
- (a)
3.12
- (b)
312
- (c)
3120
- (d)
None of these
Find the value of the following expression upto four places of decimals.
\([1+{1\over1\times2}+{1\over1\times2\times4}+{1\over1\times2\times4\times8}+{1\over1\times2\times4\times8\times16}]\)
- (a)
1.6414
- (b)
1.6415
- (c)
1.6416
- (d)
1.6428
If 1.5x = 0.04y, then the value of \(({y-x\over y+x})\) is :
- (a)
\(730\over77\)
- (b)
\(73\over77\)
- (c)
\(7.3\over77\)
- (d)
None of these
\((0.1667)(0.8333)(0.3333)\over(0.2222)(0.6667)(0.1250)\) is approximately equal to :
- (a)
2
- (b)
2.40
- (c)
2.43
- (d)
2.50
\(0.0203\times2.92\over0.0073\times14.5\times0.7\)=?
- (a)
0.8
- (b)
1.45
- (c)
2.40
- (d)
3.25
\({5\times 1.6 - 2 \times 1.4 \over 1.3 } = ?\)
- (a)
0.4
- (b)
1.2
- (c)
1.4
- (d)
4
Simplify : \(0.2 \times 0.2 + 0.2 \times 0.02 \over 0.044\)
- (a)
0.004
- (b)
0.4
- (c)
1
- (d)
2
The value of (68.237)2 - (31.763)2 is :
- (a)
3.6474
- (b)
36.474
- (c)
364.74
- (d)
3647.4
\({(36.54)^{2} - (3.46)^{2} \over ?} = 40.\)
- (a)
3.308
- (b)
4
- (c)
33.08
- (d)
330.8
(7.5 x 7.5 + 37.5 + 2.5 x 2.5 ) is equal to :
- (a)
30
- (b)
60
- (c)
80
- (d)
100
The value of \((0.137 + 0.098)^2 - (0.137 - 0.098)^2\over 0.137 \times 0.098\) is
- (a)
0.039
- (b)
0.235
- (c)
0.25
- (d)
4
The value of is \(\left( \frac { 0.051\times 0.051\times 0.051+0.041\times 0.041\times 0.041 }{ 0.051\times 0.051-0.051\times 0.041+0.041\times 0.041 } \right) \)is:
- (a)
0.00092
- (b)
0.0092
- (c)
0.092
- (d)
0.92
The value of \((0.96)^3 - (0.1)^3 \over (0.96)^2+0.096+(0.1)^2\) is :
- (a)
0.86
- (b)
0.95
- (c)
0.97
- (d)
106
The value of \((0.06)^2 + (0.47)^2+ (0.079)^2 \over (0.006)^2+(0.047)^2+(0.0079)^2\) is :
- (a)
0.1
- (b)
10
- (c)
100
- (d)
1000