Question # 1

If 3x+5y=10 and 3y+5x=30 then average if 'x' and 'y' is?

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3/2

4

5/2

7/2

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55

70

110

125

x² = 1681, x=?

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31

41

51

61

If 2x + y + b11 nad 3x + 2y =17 then y is?

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1

5

6

4

1/2 of 44÷ 2.2 =?

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20

22

44

100

Find the value of x if 3:b=x:c.

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3b/c

c/3b

2c/3b

3c/b

If x + 3y =7 and 2x + y =5 then value x/y is?

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1/2

1/3

2/5

8/9

(160 - 130) (270 - 240) / 2250÷ 50 =?

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4/3

2/3

45

20

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41^O

65^O

115^O

106^O

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

In a school there are 400 students, of whom 70% are boys: what is the number of girls ?

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120

200

280

2800

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24

12√2

16√2

48

If the ratio of x : y is 9 : 7, then x+y is

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16

2

1

None

If a pipe can fill a tank in 2 hours and another pipe can fill the same tank in 40 minutes. how much time in minutes is needed to fill the tank if both the pipes are working together?

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90

50

60

30

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

In solving an arithmetic example, Donna, by mistake multiplied by 6 instead of dividing by 6. If her answer was 13 1/5, what should be the correct answer to the example?

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2 8/11

5/66

2 1/5

11/30

If a man's weekly salary is $X and he saves $Y, what part of his weekly salary does he spend?

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780

585

1170

540

19 x 11 +18 x 6 / 24x3 - 62

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20.7

21 7/8

1.47

31.7

A man has Rs. 2000, and spends 18% of it. What money has he left now ?

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3600

820

1640

4000

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4π

18π

28π

32π

√169 /196 x 14/√1521 =?

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13/42

1/13

42/5

1/42

If x + 2y =11 and x + y =10 the value of y is:

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1

2

3

4

How many tens are equal to the number whose hundreds, tens, and units digits are a, b, and c, respectively ?

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b

10a+b+c

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30

39

80

78

Mr. Kashif got an average of 50 in 6 tests. What should he get in the next test to attain the average of 60 ?

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120

60

100

70

12% of x =360

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250

100

400

3000

If (36)(?)(7)=21, then ? equals

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21/43

1/42

1/12

1/11

If the sum of the interior angles of a regular polygon measures up to 1440 degrees, how many sides does the polygon have ?

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10 sides

8 sides

12 sides

9 sides

(580 x 12) - (645 x 5) / 50 x10 = ?

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7.47

3725

74.7

4450

The average height of a class of 14 boys is 5.3 feet. A new boy admitted to the class, the new average of height now becomes 5.25. What is the height of the new boy ?

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4.55

5.0

6.0

3.5

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