Question # 1

If 'x' and 'y' are positive and 1/x = 3 + 1/y is 'x' greater than 'y'?

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Yes

No

It cannot be determind

They are equal

2x2y when multiplied with x2+ y2gives?

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2x3y3+ 2xy3

2x4y + 2x2y3

2xy2 + 2x2y

2xy3+ 2x3y

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

A team played 30 games of which it won. What part of the games played did it lose?

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1/5

5/6

6/5

5

If x = 7y + 3 and z = 49y2then what is 'z' in terms of x?

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X2

x2- 3

(x - 3)2/7

None

Ay - b = c - dy what is 'y' in terms of 'a', 'b' and 'c'?

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30

38/2

38/3

38/5

(242 - 17)²- (7 - 5)²= ?

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49000

49200

94200

49400

If a2- b2and a - b = 12 then average of 'a' and 'b' is?

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3

12

6

3/2

The average of x, y , z and 40 is 10. What is the average of x, y and z.

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10

0

2

15

2244÷ 0.88 = ?× 1122

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20.02

20.2

19.3

2.27

Successive discounts of 10% and 15% is equivalent to a single discount of

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24%

24.5%

23.5%

22%

25%

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