Popular math problems - page 2 of 3
- Bonus
The gross wage was 1323 USD, including the 25% bonus. How many USD were bonuses?
- Piggy
A man bought a pig for € 65, then sold it for € 75. Then again bought it for € 90 and sold it for € 100. How much € earned?
- Balls
I have 19 balls, and my friend has 27. About how many have my friend more balls?
- Seating
How many ways can 7 people sit on 5 numbered chairs (e. g., seat reservation on the train)?
- Word
What is the probability that a random word composed of chars S, G, R, S, E, I, N, A, L, P, C, T, M, H, E, E will be the SPHERICALSEGMENT?
- Ton's teeth
Calculate at what age homeless Anton will be toothless. At age 29 has 26 teeth, and each year next tooth breaks.
- School trip
School trip cost 247.2 Eur for one class (24 students). How much would a trip cost for two classes? (both classes together have 53 students)
- Cents
Julka has 3 cents more than Hugo. Together, they have 27 cents. How many cents has Julka and how many Hugo?
- Guests
How many ways can 8 guests sit down on 10 seats standing in a row?
- Pool
If water flows into the pool by two inlets, fill the whole for 20 hours. The first inlet filled the pool 8 hour longer than the second. How long does the pool take to fill with two inlets separately?
- Cherries
Cherries in the bowl can be divided equally among 20 or 15, or 10 children. How many are the minimum cherries in the bowl?
- Weeks
22 weeks is equal to how many days?
- Proof PT
Can you easily prove Pythagoras' theorem using Euclidean theorems? If so, do it.
- Blood
In the human body, the blood is about 7.3% body weight. How many kilograms of blood are in the human body with a weight of 109 kg?
- Is right?
Is a triangle with sides 51, 56, and 77 right triangle?
- Monkey
The monkey fell into 20 meters deep well. Every day it climbs 3 meters, at night it drops back by 2 m. On what day it gets out from the well?
- Vinegar 2
How many percentages of vinegar solution will we get if we mix 3.5 liters of 5.8% and 5 liters of 7.6% vinegar?
- Compare
Compare fractions (34)/(3) and (12)/(4). Which fraction of the lower?
- Discount
The ladies' sweater was twice discounted. First by 8%, then by 8% of the new price. Its final price was 66 €. Determine the original price of the sweater.
- Troops
The route is long 147 km. On the first-day first regiment went at an average speed of 12 km/h and back at 21 km/h. On the second day went second regiment on the same route at an average speed of 22 km/h there and back. Which regiment will take the route l
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