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  1. Xenon

    Help in MCQ question Nov 2006 Paper 1 Q23

    The unemployment rate refers to the number unemployed to the labour force, while the participation ratio concerns the proportion of population which is economically active. labour force = no.of persons employed + no. of persons unemployed = 45 +5 = 50 % unemplyd = (5/50)%=10%...
  2. Xenon

    CHEMISTRY!!

    this one is quite good: http://www.chemguide.co.uk/physical/ene ... /sums.html
  3. Xenon

    Help in MCQ question June 2005 Paper 1 Q23

    productivity= output/ no. of factor this gives, productivity in yr 1 = 100 yr 2 =110 yr 3 = 130 thus productivity increases in yr 2 & 3 ans: A
  4. Xenon

    Help in MCQ question June 2005 Paper 1 Q12

    at equilibrium price, Qd = Qs. putting values of p in the equations, when p = 10, Qd = 110 and Qs =110 as well. thus the equilibrium occurs when price is 10. ans: B
  5. Xenon

    p6 xammm of maths..help needed

    According to the question paper trends, questions regarding normal distribution and approximation to binomial distribution comes almost in every sessions. So be prepared for this. Also learn when to use mean, median, mode,etc., adv and disadv of various diagrams like histogram, leaf-stem...
  6. Xenon

    Physics, Oct 2003 paper 4

    Hey, I need help with question no. 6(c)(ii) http://www.xtremepapers.net/CIE/Interna ... 3_qp_4.pdf
  7. Xenon

    statistic help...

    for this part, u will need to find the time below which journey times are considered short and the time above which they are considered long. The two time will give u the least and greatest time for standard journeys. to find the least time, considering X to be time taken for any journey and L...
  8. Xenon

    What does it mean?

    I thought the same but.... one student in my school gave 5 A levels (he got 5 A*) and he became 1st across four Cambridge International A Levels. then there is another guy who gave 4 A levels and got 4 A* but won an award across three Cambridge International A Levels. Confusing thing :?: ...
  9. Xenon

    What does it mean?

    thnks bro, but i do not agree.
  10. Xenon

    What does it mean?

    Someone?
  11. Xenon

    need help on ïdentifying H2 or O2 during gas tests

    Splinters refers to wooden sticks much like match sticks but should be bit bigger in size. Pop refers to sound. For H2, u will need to lit up a split and, as I did, insert it inside the test-tube. If hydrogen is present, the fire will extinguish. When it does so, it often creates a sound which...
  12. Xenon

    What does it mean?

    One of the award categories of Outstanding Cambridge Learner awards is Top in country across three Cambridge International AS Levels or Top in country across three Cambridge International A Levels. I will like to know what does across three Cambridge International AS/A Levels mean. :?: I have...
  13. Xenon

    MCQ's of Economics (HELP)

    Re: MCQ for Economics Nov 2008 Paper 3 Question 8 the cost incurred when output is zero is the fixed cost which in this case is 20. At 5 units, variable cost = total cost - fixed cost = 50 -20 = 30 AVC = 30/5 = 6 ans: C
  14. Xenon

    MCQ's of Economics (HELP)

    Re: MCQ for Economics June 2008 Paper 3 Question 17 real income per head is the money income adjusted with price level and then divided with total no. of population. money income = 8% price level rise = 4% population increase = 2% change in real income per head = 8 - 4 -2 = 2% thus real...
  15. Xenon

    MCQ's of Economics (HELP)

    Re: MCQ for Economics Nov 2007 Paper 3 Question 7 the MC of 1st unit is 20. Therefore, fixed cost is 200 - 20 =180. AC of 6 units = 180/6 = 30 ans: B
  16. Xenon

    MCQ's of Economics (HELP)

    Re: MCQ for Economics June 2006 Paper 3 Question 9 firms in a perfect competition are price takers and faces a perfectly elastic demand curve. If they increase their prices ], they will lose all there customers and revenue will fall to zero.If they reduce price, they will run out of stock. ans: A
  17. Xenon

    MCQ's of Economics (HELP)

    Re: MCQ for Economics Nov 2005 Paper 3 Question 2 marginal utility of 4th unit is 12. total utility gained form spending $6 is 6 x 2 = 12. ans: C
  18. Xenon

    MCQ's of Economics (HELP)

    Re: MCQ for Economics Nov 2003 Paper 3 Question 9 this the opportunity cost of being self employed and is considered by economists not accountant. ans : 30 000
  19. Xenon

    MCQ's of Economics (HELP)

    Re: MCQ for Economics Nov 2003 Paper 3 Question 6 (31 x 42) - ( 30 x 40) = 102 ans : D
  20. Xenon

    MCQ's of Economics (HELP)

    Re: MCQ for Economics June 2003 Paper 3 Question 24 Try using the quantity theory of money: MV=PT.
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