Decimal Fractions
Exam Duration: 45 Mins Total Questions : 30
Which of the following has fractions in ascending order?
- (a)
\(\frac { 2 }{ 3 } ,\frac { 3 }{ 5 } ,\frac { 7 }{ 9 } ,\frac { 9 }{ 11 } ,\frac { 8 }{ 9 } \)
- (b)
\(\frac { 3 }{ 5 } ,\frac { 2 }{ 3 } ,\frac { 9 }{ 11 } ,\frac { 7 }{ 9 } ,\frac { 8 }{ 9 } \)
- (c)
\(\frac { 3 }{ 5 } ,\frac { 2 }{ 3 } ,\frac { 7 }{ 9 } ,\frac { 9 }{ 11 } ,\frac { 8 }{ 9 } \)
- (d)
\(\frac { 8 }{ 9 } ,\frac { 9 }{ 11 } ,\frac { 7 }{ 9 } ,\frac { 2 }{ 3 } ,\frac { 3 }{ 5 } \)
- (e)
\(\frac { 8 }{ 9 } ,\frac { 9 }{ 11 } ,\frac { 7 }{ 9 } ,\frac { 3 }{ 5 } ,\frac { 2 }{ 3 } \)
what is the difference between the biggest and the smallest fraction among \(\frac { 2 }{ 3 } ,\frac { 3 }{ 4 } ,\frac { 4 }{ 5 } and\frac { 5 }{ 6 } ?\)
- (a)
\(\frac { 1 }{ 6 } \)
- (b)
\(\frac { 1 }{ 12 } \)
- (c)
\(\frac { 1 }{ 20 } \)
- (d)
\(\frac { 1 }{ 30 } \)
337.62+8.591+34.4=?
- (a)
370.611
- (b)
380.511
- (c)
380.611
- (d)
426.97
The value of (1+.1+.01+.001) is :
- (a)
1.001
- (b)
1.011
- (c)
1.003
- (d)
1.111
617+6.017+0.617+6.0017=?
- (a)
6.2963
- (b)
62.965
- (c)
629.6357
- (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
If \({ 1.125\times 10 }^{ -k}\)=0.001125,then the value of k is:
- (a)
-4
- (b)
-3
- (c)
-2
- (d)
-1
3 x 0.3 x 0.03 x 0.003 x 30 = ?
- (a)
0.0000243
- (b)
0.000243
- (c)
0.00243
- (d)
0.0243
How many digit will be there to the right of the decimal point in the product of 95.75 and .02554?
- (a)
5
- (b)
6
- (c)
7
- (d)
None of these
Which is the closest approximation to the product 0.3333 x 0.25 x 0.499 x 0.125 x 24 ?
- (a)
\(\frac { 1 }{ 8 } \)
- (b)
\(\frac { 3 }{ 4 } \)
- (c)
\(\frac { 3 }{ 8 } \)
- (d)
\(\frac { 2 }{ 5 } \)
Consider the following quotients :
1.368.39 divided by 17
2.170.50 divided by 62
3.875.65 divided by 83
Their correct sequence in decreasing order is :
- (a)
1,3,2
- (b)
2,1,3
- (c)
2,3,1
- (d)
3,1,2
When \(0.\overline{47}\) is converted into a fraction, the result is :
- (a)
\(46\over90\)
- (b)
\(46\over99\)
- (c)
\(47\over90\)
- (d)
\(47\over99\)
The correct expression of \(6.\overline{46}\) in the fractional form is :
- (a)
\(646\over99\)
- (b)
\(64640\over1000\)
- (c)
\(640\over100\)
- (d)
\(640\over99\)
\((0.34\overline{67}+0.13\overline{33})\) is equal to :
- (a)
\(0.4\overline{8}\)
- (b)
\(0.\overline{48}\)
- (c)
\(0.48\overline{01}\)
- (d)
\(0.48\)
The sum of \(\overline{2}.75\) and \(\overline{3}.78\) is :
- (a)
\(1.03\)
- (b)
\(\overline{1}.53\)
- (c)
\(\overline{4}.53\)
- (d)
\(\overline{5}.53\)
If \({547.527\over0.0082}=x,\) then the value of \(547527\over82\) is :
- (a)
\(x\over10\)
- (b)
10x
- (c)
100x
- (d)
None of these
If 213 \(\times\)16 = 3408, then 1.6 \(\times\) 21.3 is equal to :
- (a)
0.3408
- (b)
3.408
- (c)
34.08
- (d)
340.8
54.327 \(\times\) 357.2 \(\times\) 0.0057 is the same as :
- (a)
5.4327 \(\times\) 3.572 \(\times\) 5.7
- (b)
5.4327 \(\times\) 3.572 \(\times\) 0.57
- (c)
54327 \(\times\) 3572 \(\times\) 0.0000057
- (d)
None of these
The value of \({1\over4}+{1\over4\times5}+{1\over4\times5\times6}\) correct to 4 decimal places is :
- (a)
0.3075
- (b)
0.3082
- (c)
0.3083
- (d)
0.3085
\((0.1667)(0.8333)(0.3333)\over(0.2222)(0.6667)(0.1250)\) 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
The value of \(3.157\times4126\times3.198\over63.972\times2835.121\) is closest to :
- (a)
0.002
- (b)
0.02
- (c)
0.2
- (d)
2
\({5\times 1.6 - 2 \times 1.4 \over 1.3 } = ?\)
- (a)
0.4
- (b)
1.2
- (c)
1.4
- (d)
4
The value of \(({.896 \times .763 + .896 \times .237 \over .7 \times .064 + .7 \times .936 })\) is :
- (a)
.976
- (b)
9.76
- (c)
1.28
- (d)
12.8
\({4.2 \times 4.2 - 1.9 \times 1.9 \over 2.3 \times 6.1 }= ? \)
- (a)
0.5
- (b)
1
- (c)
1.9
- (d)
4.2
The simplification of \(0.2 \times 0.2 + 0.02 \times 0.02 - 0.4 \times 0.2 \over 0.36 \) gives :
- (a)
0.009
- (b)
0.09
- (c)
0.9
- (d)
9
\(({10.3\times 10.3 \times 10.3 + 1\over 10.3\times 10.3 - 10.3 + 1})\) is equal to :
- (a)
9.3
- (b)
10.3
- (c)
11.3
- (d)
12.3
\([{8(3.75)^3 + 1\over (7.5)^2 - 6.5 }]\) is equal to :
- (a)
\({9\over 5}\)
- (b)
2.75
- (c)
4.75
- (d)
8.5
The value of \(({8.94\times 8.94 \times 8.94 - 3.56 \times 3.56 \times 3.56\over 8.94 \times 8.94 + 8.94 \times3.56+3.56\times3.56})\) is :
- (a)
0.538
- (b)
5.38
- (c)
0.0538
- (d)
53.8
The value of \((2.3)^3 - .027 \over (2.3)^2+.69+.09\) is
- (a)
0
- (b)
1.6
- (c)
2
- (d)
3.4