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Questions ( 6 )
  • In planet Twesmt, 1 year has 10 months, 1 months has 10 weeks, 1 week has 4 days. Different from our Earth, the workers there go to work 2 days a week, and earn 1 GO (an unit of money in that planet) each 5 days working. Know that 1 GO = $10, how many dollars that an person who works often in planet Twesmt (always 2 days each week) earn?

  • Let # a symbol of changing an number to a word have meaning. Here's how this symbol works:

    Number 1 2 3 4 5 6 7 8 9
    Letter that # can change to a d g j m p s v y
    Letter that # can change to b e h k n q t w z
    Letter that # can change to c f i l o r u x  

    Ex: 4582 # Love

    What can these equations can change to?

    [(-19) x (-20)]^2 x \(\sqrt{9}\) x |5| + 22097157 # ?

    y # ?, know that: \(\dfrac{\sqrt{y\sqrt{3}}\times y^2}{\sqrt{2}\times y}=\dfrac{\sqrt[4]{12\times y^2}\times y^2}{311030758}\)

    If it is too hard, tell me.

  • Nam's mother was born on February 29, 1980. Nam's mother was born to the South on February 25, 2016. How many years are needed from the day Nam was born (2016) to give Nam many birthdays more than mom?

  • Car A goes from Ha Noi to Da Nang. Car B go from Da Nang to Ha Noi. The ratio of the speed of car A and car B is 5:4. After 2 cars meet, Car A decrease its speed by 1/5 of its speed, car B increase its speed by 1/5 of its speed. When car A reached Da Nang, car B is 25 km from Ha Noi. What is the distance between Ha Noi and Da Nang?

  • Purse A has 843 coins, which are $ 1 and 20 cents coins. Purse B has 727 coins, which are $1 coins. Two purse have the same amount of money. How many more $1 coins does purse B has?

  • In a bowl has 2020 balls. Peter and David play ball picking game, each person alternate each other to take from 1 to 2 balls . David needs to picked before or after to:

    a, David takes the last ball

    b, David leave for Peter the last ball.

    Solve and explain for me!

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