Question # 1

The value of (x+y)² + (x-y)² is?

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4

2(x²+y²)

4xy

-4xy

The death rates for three diseases are :

Disease R 2 People out of 10,000

Disease S 13 People out of 1,000,000

Disease T 9 People out of 100,000

Disease R 2 People out of 10,000

What is the combined death rate for the three diseases?

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123 out of 1,000,000

42 out of 10,000

42 out of 1000,000

303 out of 1,000,000

Find the ratio of 18 inches to 2 yards.

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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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30

39

80

78

A rectangular lot 50 feet by 100 feet is surrounded on all sides by a concrete walk 5 feet wide. Find the number of square feet in the surface of the walk.

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1600

5250

5500

6100

1/x=1/y+1/z then 'x' in terms of 'y' and 'z' is given by?

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(y+z) / (y-z)

yz / (y+z)

(y+z)/ yz

1/z-1/y

1.02 - 0.02 + ? = 1.842

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0.222

0.842

2

None

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

A car that gets 15 miles per gallon of gasoline can travel 250 miles on a full tank. If the same car got 20 miles per gallon, how many miles could it travel on a full tank?

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300

750

250 3/5

333 1/3

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

5/3 + 7/6 +9/3 +7/2 =?

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28/3

112/3

28/12

14/7

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 age of 8. Find their average age.

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7.85

8.75

12.2

14.35

? x 12 = 75% of 336

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48

252

28

21

What is the sum of money, 6% of which is 18 dollars?

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600

200

300

20

If it takes 10 minutes to walk 3/4 mile, how many minutes will it take to walk the rest of the mile?

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2 1/3

13 1/3

4 2/7

30

The value of {0.5⁴ - 0.4⁴} / {0.5² + 0.4²} is?

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0.9

0.09

0.19

0.31

What is the number , 5% of which is 10?

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200

100

50

10

A car that gets 15 miles per gallon of gasoline can travel 250 miles on a full tank. If the same car got 20 miles per gallon, how many miles could it travel on a full tank ?

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300

750

250 3/4

333 1/3

1250÷ 25 x 0.5 = ?

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25

50

2.5

100

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

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16

2

1

None

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