Question # 1

Out of the 44 boys in a class 9 are of the age of 10, 15 at the age of 9, and the rest are at the of 8. Find their average age.

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7.85

8.75

12.2

14.35

816 - 288÷ 24 =?

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22

828

528

804

A and B can do a jobs in 6 days. If A does the job alone he takes 10 days.What will be time required by B to complete the job alone?

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8

6

15

3

If a machine can place a cap on a bottle of soda every 0.8 seconds, how many bottles can be capped in 2 hours?

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8000

9000

300

900

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15

30

45

72

The annual decrease in the population of a city was 10% and the present number of inhabitants is 1620. What was the population 2 years hence ?

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20

400

2000

1000

x√0.09 = 3: x =?

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10

1/3

1/10

1

3/4 of 432 = ?

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340

232

324

316

The population of 8 villages is 900, 750, 1100, 1050, 835, 1250, 555, and 630. Find the population of Ninth village if the average population of Nine villages is 900.

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1200

1050

1030

7070

A candy recipe calls for 5 parts milk, 4 parts cocoa, 4 parts syrup,2 parts sugar, and 1 part butter. If you use 8 ouncres of milk, how many ounces of candy mixture can you make?

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25 3/5

5 3/5

20

128

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b

b-180

90-b

180-b

0.007÷√0.000049

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1

0.0049

2

7

Change 27/7 to a mixed number.

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6 1/3

7 1/2

3 6/7

2 1/7

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50 m

64 m

72 m

84 m

2x2y when multiplied with x² + y² gives ?

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2x²y³ + 2xy³

2x⁴y+ 2x²y³

2xy²+ 2x²y

2xy³+ 2x³y

If 10 tractors are needed to plow a field in 4 hours, how many tractors are needed to plow the field in 5 hours?

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32

4

16

8

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40

50

120

130

The annual decrease in the population of a city was 10% and the present number of inhabitants is 1620. What was the population 2 years hence?

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20

400

2000

1000

(190)² - (150)²=?

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58600

13600

1360

1600

A rectangle is 16 cm long and 10 cm wide. If the length is reduced by k cm and its width is increased also by k cm so as to make it a square then its area changes by

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169

256

100

9

None of the above

? x 12 = 75% of 336

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48

252

28

21

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