1 . What approximate value should come in place of question mark (?) in the following equations?
${(1.29)^2} + {(3.05)^2} \over 0.198$ = ?
A.  25
B.  6
C.  66
D.  54
E.  42
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2 . What approximate value should come in place of question mark (?) in the following equations?
$(48.84)^2$ $\times$ 7.079 = ?
A.  16200
B.  16400
C.  16600
D.  16800
E.  16990
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3 . What approximate value should come in place of question mark (?) in the following equations?
$\sqrt{2020} + \sqrt{320} + \sqrt {1330}$ = ?
A.  80
B.  100
C.  120
D.  140
E.  160
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4 . What approximate value should come in place of question mark (?) in the following equations?
[${8 \over 3} \times {13 \over 5}$] + [${7 \over 2} \times {5 \over 3}$] + [${18 \over 7} \times {28 \over 16}$] = ?
A.  11.5
B.  14.5
C.  17.5
D.  21.5
E.  27.5
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5 . What should come in place of question mark (?) in the following questions?
${{(247.4)^2} - {(112.6)^2}}$ $\times$ $(80)^{- 2}$
A.  7.5825
B.  8.6025
C.  12.8540
D.  16.75
E.  None of these
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6 . What should come in place of question mark (?) in the following questions?
{11.8% of 4450 + 22.5% of 1680} $\times$ 40 = ?
A.  24846
B.  32728
C.  34112
D.  35842
E.  36124
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7 . What should come in place of question mark (?) in the following questions?
$7 \over 15$ of $12 \over 11$ of $1 \over 5$ of 7425 = ? % of 5400
A.  12
B.  14
C.  16
D.  18
E.  24
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8 . What should come in place of question mark (?) in the following questions?
$735 \over ?$ = $? \over 135$
A.  275
B.  285
C.  295
D.  305
E.  312
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9 . What should come in place of question mark (?) in the following questions?
$(1085)^2$ = $(10)^6$+ ?
A.  165725
B.  177225
C.  178455
D.  186245
E.  None of these
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10 . What approximate value should come in place of question mark (?) in the following equations?
872 $\times$ 7 $\times$ ? = 336633
A.  51
B.  55
C.  60
D.  64
E.  68
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