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  1. K

    Percentage question

    A company changes the size of its muesli slice by decreasing all three dimensions by 5%. The percentage decrease in volume is closest to A. 5% B. 12.5% C. 14% D. 15%
  2. K

    Financial Question

  3. K

    Geometry question, please help

    I thought it would be 10^-24 / 10^21 which gives 10^-3 m but the say 1 x 10^24 Have no idea if they wrong
  4. K

    Geometry question, please help

    Sorry one more Given that yoctometre is 10^-24 m and zettametre is 10^21 m How many yoctometres are in a zettametre?
  5. K

    Geometry question, please help

    Thanks heap
  6. K

    Geometry question, please help

    Thanks heaps, can I have help with this question: A sheet of glass absorbs 20% of the red light which passed through it. What is the least number of sheets which must be placed one over the other so that the red light is reduced to one half or less of its original strength? Thanks in advance
  7. K

    Geometry question, please help

    Thank you so much I was using (n-2) x 180 and uncomplicating it. Thank you so much Can you help with this question please? Sebastian sold half of his eggs. He first sold his eggs plus half an egg to Ashley, without having to break an egg. Then he sold half the remining eggs, plus half an egg...
  8. K

    Geometry question, please help

    Please help
  9. K

    Please help

    1. What is the sum of the digits in 100 to the power 241? 2. What is the product of the digits in 100 to the power 241? 3. What is the largest two-digit number that is the sum of two different perfect squares?
  10. K

    Logic question

    In a certain game you double your score for a correct answer and halve it for an incorrect one. If after 3 questions Joanne has a score of 64, write down all the possible scores she could have had before these 3 questions were asked I have one set 8, 16, 32, what other possible scores could...
  11. K

    Factorial question

    Hi can you please help, 10! = 3! x 5! x 7! Can you express the following as products or two or more factorials? a) 10! (different to answer above) b) 48! c) 24!
  12. K

    Financial Questions help

    okay I got the answer its 104.5% I did 104% but please help with Q1, Q2 and Q4
  13. K

    Measurement Question (Any hints would be great)

    Okay I figured Q3 just the other 3
  14. K

    Measurement Question (Any hints would be great)

    Hi Jimmy can you please help with these questions if possible: 1) Sally makes a cordial drink so that 10% of the drink is cordial concentration.. The rest is water. Sally has 350ml of the drink in a jug. She decided that she wants the concentrate to be only 8% of the drink. How much extra water...
  15. K

    Financial Questions help

    Also Q3 the answer is $26 790 using your hints I got $26 923.08
  16. K

    Financial Questions help

    For question 4 the answer is 50% using your hints does not give me 50% and I still do not get Q2 and Q1 and Q4 (50% as the answer) Please help
  17. K

    Financial Questions help

    1) Sally makes a cordial drink so that 10% of the drink is cordial concentration.. The rest is water. Sally has 350ml of the drink in a jug. She decided that she wants the concentrate to be only 8% of the drink. How much extra water does she need to add to the jug? 2) A diary farmer found that...
  18. K

    Pythagoras Question Any hints will be great

    Please help
  19. K

    Measurement Question (Any hints would be great)

    Thank you so much. The answer says 20 + 10 root 2?
  20. K

    Measurement Question (Any hints would be great)

    Four balls each with radius of 10 cm are placed on a table so that each one contacts two others. A fifth ball of the same size is placed on top of them so that it contacts all four balls. Find the distance from the top of the fifth ball to the table, expressing the answer in exact form .
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