Geometric progression + reason - math problems

Number of problems found: 9

  • Progression
    -12, 60, -300,1500 need next 2 numbers of pattern
  • Population growth
    How many people will be on Earth from two people for 5,000 years, if every couple has always 4 children, (2 boys and 2 girls) at the age of 25-35, and every man will live 75 years?
  • Saving 9
    An amount of $ 2000 is invested at an interest of 5% per month. If $ 200 is added at the beginning of each successive month but no withdrawals. Give an expression for the value accumulated after n months. After how many months will the amount has accumula
  • Probably member
    Look at the series 2,6,25,96,285, ? What number should come next?
  • Miraculous tree
    Miraculous tree grows so fast that the first day increases its height by half the total height of the second day by the third, the third day by a quarter, etc. How many times will increase its height after 6 days?
  • Series
    Andrew wrote this series of numbers: 1,3,7,15, .... n. Which number in the series does not belong? ...
  • Wood in the forest
    The amount of wood in the forest was estimated at 6000 m3. How much wood will be in forest after 2 years if the annual growth of wood is 2.5% each year and logging 30 m3 each year?
  • Compound interest
    Calculate time when the deposit in the bank with interest 2.5% p.a. doubles.
  • Loans, loan ...
    In Slovakia, launched a short-term non-bank loans, of which few people have their "take" are considered unfavorable. Often, the borrower ends up in a spiral of debt, which takes more and more onerous loan used to repay earlier loans. Calculate how many 9-

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Geometric progression - math problems. Reason - math problems.