76.  $\frac{75}{?}=\frac{?}{147}$

a

49

b

95

c

115

d

85

e
None of these

77.  13.8 × 16.7 × 21.4 – 2931.844 =?

a

1800

b

1900

c

2000

d

2100

e
None of these

78.  10531 + 4813 – 728 =? × 87

a

168

b

172

c

186

d

212

e
None of these

79.  (4.6 × 2.8 × 5.5) – (3.2 × 4.5 × 2.8) =?

a

36.28

b

30.42

c

28.35

d

32.52

e
None of these

80.  $\frac{3}{5}$ of $25 \%$ of $740=?$

a

121

b

91

c

555

d

111

e
None of these

81.  $(51)^{3} \times(14)^{3}-(19077)^{2}=?$

a

62415

b

33793

c

57238

d

46933

e
None of these

82.  $\frac{6.4 \times 8.5 \times 2.5}{3.2 \times 12.5}=?$

a

4.4

b

3.5

c

4.2

d

3.4

e
None of these

83.  $8 \frac{5}{6} \div 10 \frac{11}{36}=?$

a

$\frac{5}{8}$

b

$\frac{5}{7}$

c

$\frac{6}{7}$

d

$\frac{6}{11}$

e
None of these

84.  43% of 583 - ? % of 401 = 158.46

a

25

b

23

c

21

d

19

e
None of these

85.  $\sqrt{?}+24=\sqrt{2209}$

a

23

b

529

c

729

d

27

e
None of these

86.  $101120 \div \sqrt{?}=316 \times 5$

a

4096

b

64

c

62

d

3844

e
None of these

87.  If $(12)^{3}$ is subtracted from the square of a number the answer so obtained is 976. What is the number?

a

58

b

56

c

54

d

52

e
None of these

88.  $\frac{3}{4}$ of $\frac{5}{6}$ of $\frac{7}{10}$ of $1664=?$

a

648

b

762

c

612

d

728

e
None of these

89.  $441 \div 3 \times \sqrt{?}=10290$

a

70

b

80

c

4900

d

6400

e
None of these

90.  $\left[(12)^{2}+(6)^{2}\right] \div(?)^{2}=7.2$

a

6

b

8

c

3

d

4

e
None of these
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