Question # 1

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200

220

210

190

A legislator proposes that communities should therefore be required to adopt filtering systems and to reach the target of filtering 50 percent of all tap water within 5 years.

Q:Which of the following, if true, most seriously calls into question the advisability of implementing the proposal?

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Existing filtering systems programs have been private and voluntary, with citizen participation ranging from 25 percent in some communities to 70 percent in others

Existing filtering programs have been restricted to the tap water that is ingested by humans

Existing filtering programs have had recurrent difficulties selling their filtering systems privately usually because the quantities filtered are too smallto be affordable for most families

Some of the materials filtered out of the water are materials that can be used for other purposes

A greater number of computers are sold in Sahiwal thanin Burewala. Therefore, the people of Sahiwal are better informed about world events than are the people of Burewala.

Q:Each of the following, if true, weakens the conclusion above EXCEPT:

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Sahiwal has a larger population than Burewala

Most people of Burewala work in Sahiwal

Bandwidth usage of Burewala is more than that in Sahiwal

The internet bandwidth is 128 kbps in both towns

If (36)(?)(7) - 21 then? equals

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21/43

1/42

1/12

1/11

The average of the first 35 positive integers is:

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13

17

18

19

If x² + y² = 9 and (x - y)² = 3, what is the value of xy ?

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16

9

6

3

A square lawn having area 0.25 sq km has to be enclosed with iron railings at the rate of Rs. 10100 per metre. What will be its cost ?

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Rs. 20200

Rs. 2000

Rs. 202000

Rs. 100100

The least number which when divided by 35, leaves remainder of 25; when divided by 45 leaves a remainder of 35 and when divided by 55 leaves 45 as remainder, is:

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3455

3465

3475

10

What is the average of first hundred natural numbers ?

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50

50.5

49.5

100

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28 - 2x

4(14 - 4x)

48 - 3x

7(6 - 3x)

A man was 26 years old when his daughter was born. Now, he is three times as old as his daughter. How many years old is the daughter now ?

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13 years

22 years

15 years

12 years

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