Class XI

Mr. Jones sold two pipes at $1.20 each. Based on the cost, his profit one was 20% and his loss on the other was 20%. On the sale of the pipes, he:
  1. broke even
  2. lost 4 cents
  3. lost 10 cents
  4. gained 10 cents
The value of x + x(xx) when x = 2 is:
  1. 16
  2. 10
  3. 18
  4. 36
The fraction (5x-11)/(2x2 + x - 6) was obtained by adding the two fractions A/(x + 2) and B/(2x - 3). The values of A and B must be, respectively:
  1. 5x, -11
  2. -11, 5x
  3. -1, 3
  4. 3, -1
If 102y = 25, then 10-y equals:
  1. -1/5
  2. 1/625
  3. 1/50
  4. 1/5
If (0.2)x = 2 and log 2 = 0.3010, then the value of x to the nearest tenth is:
  1. -10.0
  2. -0.5
  3. -0.4
  4. -0.2
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