1 .
The product of two consecutive odd numbers is 6723, What is the square root of the smaller number?
A.  9
B.  729
C.  6561
D.  81
E.  None of these
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2 .
60 per cent of first number is 40 per cent of the second number. What is the respective ratio of the first number to the second number?
A.  2 : 3
B.  21 : 31
C.  7 : 10
D.  Cannot be determined
E.  None of these
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3 .
The owner of a book shop charges his customer 28% more than the cost price. If a customer paid Rs. 1,408 for some books, then what was the cost price of the books ?
A.  Rs.1100
B.  Rs.1111
C.  Rs.1110
D.  Rs.1000
E.  None of these
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4 .
The difference between 56% of a number and 39% of the same number is 425. What is 63% of that number?
A.  1525
B.  1650
C.  1700
D.  1575
E.  None of these
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5 .
Find the average of the following set of scores:
$456\,\,\, 328\,\,\, 489\,\,\, 453\,\,\, 511\,\,\, 328\,\,\, 222\,\,\, 205 $
A.  374
B.  388
C.  362
D.  391
E.  None of these
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6 . What approximate value should come in place of the question mark (?) in the following questions? (You are not expected to calculate the exact value.)
$[$ ${(1.3)^2} \times {(4.2)^2}$ $]$ $\div$ 2.7 = ?
A.  7
B.  21
C.  18
D.  11
E.  16
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7 . What approximate value should come in place of the question mark (?) in the following questions? (You are not expected to calculate the exact value.)
746 $\div$ 32 $\times$ 15 = ?
A.  350
B.  345
C.  355
D.  340
E.  335
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8 . What approximate value should come in place of the question mark (?) in the following questions? (You are not expected to calculate the exact value.)
$\sqrt {834}$ $\times$ $\sqrt {349}$ = ?
A.  525
B.  556
C.  534
D.  550
E.  540
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9 . What approximate value should come in place of the question mark (?) in the following questions? (You are not expected to calculate the exact value.)
(3986 + 2416 + 3897) $\div$ 754 = ?
A.  18
B.  14
C.  11
D.  9
E.  21
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10 . What approximate value should come in place of the question mark (?) in the following questions? (You are not expected to calculate the exact value.)
41.25 + 11.085 $\times$ 2.75 = ?
A.  63
B.  67
C.  76
D.  72
E.  80
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