Basic operations and concepts - math word problems - page 249 of 324
Number of problems found: 6465
- Three dice
What is the probability that when we roll three dice, we roll the number 1,2,3? - Hearts
3 cards are chosen from a standard deck of 52 playing cards (13 hearts) with replacements. What is the probability of choosing 3 hearts in a row? - Pure gold
How much pure gold is in a 15-gram ring made of 14-carat gold? Round the result to the nearest tenth of a gram. - Future Value with Interest
The deposit is €1000. The interest is 7.36% per year. What is the amount after 3 years and 9 months? - Loan yield percentage
You lent €400. The borrower paid you €440 back in 5 months. What was the yield on this loan? - Deposit interest increase How much is the deposit? Which at an interest rate of 3.75%p. a., will it increase by 25 euros in one year?
- Beijing Tokyo scale
The map shows the cities of Beijing and Tokyo at a distance of 5.1 cm. Their actual air distance is 2040 km. What is the scale of the map? - Fertilizer
I have 4 liters of 10% fertilizer. How much water must I add to have a 2% solution? - The transformer
The transformer's primary coil has 1100 turns and is connected to a voltage of 220 V. How many turns does the secondary coil have when it has a voltage of 55 V? Determine the transformation ratio and decide what the transformation is. - Coils of transformer
What voltage is generated on the secondary coil of the transformer, which has 1500 turns, if the primary coil is connected to a voltage of 120 V and has 500 turns? What is the transformation ratio, and what kind is the transformation? - Thunderstorm
The sound travels 1 km in about 3 seconds. How far is the storm if there is a time interval of 8 seconds between lightning and thunder? - Five pumps
The water tank is filled with two pumps in 48 minutes. How long would it take to fill it with five same pumps? - Deposit 3
After a year, Martin had a bank account € 1559. What was the interest rate when the initial deposit was € 1409? - Velocity calculation
Calculate the unknown velocity x if: 24 km/h. ... . .. .20min x km/h. ... . .. .12min - Twenty-two Digit Numbers
From how many digits can we create twenty-two-digit numbers in which the digits do not repeat? - Cuboid walls
The block's base is a rectangle whose sides have lengths in the ratio of 13:7. Find the volume of the block in liters if the longer side of the base measures 65 cm and the height of the block is 1.2 m - Pool Volume from Plan
On a project with a scale of 1:250, the length of the pool is 2.00mm, and the width is 1.00mm. The depth of the pool is 1.5 m. Calculate how many hectoliters of water will fit in the pool. - Dance ensembles
Four dance ensembles were dancing at the festival. None had less than ten and more than 20 members. All dancers from some of the two ensembles were represented in each dance. First, 31 participants were on the stage, then 32, 34, 35, 37, and 38. How many - An account
Seth has $9,399 in an account. The interest rate is 4 17/20% compounded annually. To the nearest cent, how much will he have in 2 years? - Ditch
The excavator dug 40% of the excavation in 2 hours and 20 minutes. How long does it take him to dig the whole ditch?
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