Simplification questions and Answers for competitive exams

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1.
$7 \frac{2}{7}$ of $189+452=2000-?$

a
183
b
164
c
170
d
198
e
None of these

2.
68% of 595 – 43% of 372 = ?

a
244.64
b
232.84
c
278.44
d
260.24
e
None of these

3.
35% of (?) = 2175.95

a
6712
b
6217
c
6127
d
6721
e
None of these

4.
$(45)^{2}+(21)^{2}=(?)^{2}+257$

a
51
b
49
c
45
d
47
e
None of these

5.
$90780 \div \sqrt{?}=85 \times 12$

a
89
b
7921
c
7569
d
87
e
None of these

6.
$\frac{15 \times 11+45}{13 \times 9-30}=?$

a
$2 \frac{1}{5}$
b
$2 \frac{7}{5}$
c
$5 \frac{3}{10}$
d
$3 \frac{8}{17}$
e
None of these

7.
$39852 \div \sqrt{?}=81 \times 12$

a
41
b
1849
c
1681
d
43
e
None of these

8.
54679 + 34521 = ? + 43668

a
45352
b
45232
c
42455
d
45552
e
None of these

9.
44% of 766 + ? = 900

a
498.48
b
562.96
c
574.80
d
444.64
e
None of these

10.
3.3 + 13.33 + 31.13 + 13.31 + 1.3 = ?

a
64.31
b
62.37
c
64.47
d
62.17
e
None of these

11.
$(16)^{2}+(21)^{2}-(13)^{2}+?=(25)^{2}$

a
67
b
32
c
81
d
97
e
None of these

12.
73% of 5800 – 69% of 240 = ?

a
4608.3
b
4210.8
c
4008.4
d
4680.4
e
None of these

13.
$\left(\frac{17}{119} \times \frac{98}{14}\right)^{2}=?$

a
5
b
7
c
3
d
9
e
None of these

14.
$\sqrt{12321}=?$

a
111
b
121
c
81
d
91
e
None of these

15.
72% of 654 – 41% of 312 = ?

a
276.60
b
296.72
c
336.84
d
342.96
e
None of these

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