Numbers - math word problems

Number of problems found: 2204

  • Geometric progression
    fractal Fill 4 numbers between 4 and -12500 to form geometric progression.
  • Inflation
    tsar Once upon a time, tsar owned a money printer and printed and printed. The result of printing money prices went up,in the first year 3.9 %, in the second 6%, in the third 4.7% and in the fourth 5.5%. Then tsar was failed in election. Calculate the average
  • Two doctors
    dr_cvach Doctor A will determine the correct diagnosis with a probability of 93% and doctor B with a probability of 79%. Calculate the probability of proper diagnosis if both doctors diagnose the patient.
  • Monkey
    monkey The monkey fell in 40 meters deep well. Every day it climbs 3 meters, at night it dropped back by 2 m. On what day it gets out from the well?
  • Logarithmic equation
    nat_log_ln Solve equation: log13(7x + 12) = 0
  • Ladislav in Amsterdam
    jakob3 Laco went (was sent) to a conference in Amsterdam for a reward. The conference fee was € 2536. Calculate how many books Ladislav could buy at the price of 46 and 54 euros if he doesn't want to fill the whole home library, and he can buy only 52 books
  • Number ratio
    ratio2 Calculate two positive numbers that its ratio is 6:6 and difference was 0.
  • Lunch for free
    Gastrolistky Gastro ticket are "free" and therefore they should be retained. This think many employees in Slovakia. Calculate how much money employee yearly earn if he get 201 gastro tickets of 2.8 € and you know that the company issuing gastro tickets get 4.9% fee of
  • Pension or fraud
    dochodca_icon Imagine that your entire working life working honestly and pay taxes and to Social Insurance (in Slovakia). You have a gross wage 900 Euros, you pay social insurance (you and your employer) monthly € 288 during 41 years and your retirement is 405 Eur
  • Farmer
    krava The farmer farming 293 ha of arable land and the remaining 20% are meadows and pastures. How much land farmer owns?
  • Chickens and rabbits
    pipky In the yard were chickens and rabbits. Together they had 18 heads and 56 legs. How many chickens and how many rabbits were in the yard?
  • Percent calculation
    percent_sign Calculate 8% if 44% is 32.
  • Percentages and numbers
    20_percent How many percent is number 69 smaller than number 276?
  • Car inflation
    car About what percentage price of car increased if price rose from €1880 to €2200?
  • Ratio
    ratio 6 numbers are in the ratio 1:5:1:5:5:5. Their sum is 242. What are the numbers?
  • Acid
    acid The barrel is 199 liters of 38% acid. How many percent acids occur when 61 liters revoke and replace with the same amount of water?
  • Two numbers
    numbers Find two numbers whose difference and ratio is 2.
  • Election mathematics
    statny-znak-sr In elections, 12 political parties received this shares of voters: party A 56.2 %party B 8.5 %party C 8.2 %party D 6.2 %party E 6.1 %party F 5.5 %party G 3.2 %party H 2.1 %party I 2 %party J 1 %party K 1 % Calculate what the shares acquired in the parliam
  • Report card
    vysvedcenie Ivor hit 4× grade 5 at the beginning of the school year. How many times must now catch grade 1 to get grade 2 on the report card?
  • Dice
    dices How many times must throw the dice, the probability of throwing at least one six was greater than 90%?

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