Fractions
 Which of the following fraction is the smallest ?

 11/13
 9/11
 3/4
 5/7

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11/3 = 0.846,
9/11 = 0.818,
3/4 = 0.75 and
5/7 = 0.714Correct Option: D
11/3 = 0.846,
9/11 = 0.818,
3/4 = 0.75 and
5/7 = 0.714
Clearly, 0.714 is the smallest and hence 5/7 is smallest fraction .
 (.24 x .35 ) / (.14 x .15 x .02) is equal to ?

 2
 20
 200
 2000

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(.24 x .35) / (.14 x .15 x .02)
= (24 x 35 x 100 ) / (14 x 15 x 2)Correct Option: C
(.24 x .35) / (.14 x .15 x .02)
= (24 x 35 x 100 ) / (14 x 15 x 2)
=200
 If 2805 / 2.55 = 1100, then 280.5 / 25.5 is equal to ?

 1.01
 1.1
 0.11
 11

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Given expression 280.5 / 25.5 = 2805 / 255
= 2805 / (2.55 x 100)Correct Option: D
Given expression 280.5 / 25.5 = 2805 / 255
= 2805 / (2.55 x 100)
= 1100 / 100
=11
 If 1 / 3.718 = .2689, then the value of 1 / .0003718 is ?

 2689
 2.689
 26890
 .2689

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1 / .003718 = 10000 / 3.718
= 10000 x ( 1/3.718)Correct Option: A
1 / .003718 = 10000 / 3.718
= 10000 x ( 1/3.718)
= 10000 x .2689
= 2689.
 ( 20 + 8 x 0.5 ) / ( 20  ? ) = 12

 8
 18
 2
 None these

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Let (20 + 8 x 0.5) / ( 20  y) =12
Then, 24 =12 x (20  y)Correct Option: B
Let (20 + 8 x 0.5) / ( 20  y) =12
Then, 24 =12 x (20  y)
∴ 12y = 216
⇒ y = 18