Multiplication practice problems - last page
Number of problems found: 2176
- Two doctors
Doctor A will determine the correct diagnosis with a probability of 89% and doctor B with a probability of 75%. Calculate the probability of proper diagnosis if both doctors diagnose the patient. - Chess
How many ways can you select 4 fields on a classic chessboard with 64 fields so that fields don't have the same color? - Pension or fraud
Imagine your entire working life working honestly and paying taxes and Social Insurance (in Slovakia). You have a gross wage 970 Euros. You pay social insurance (you and your employer) monthly € 310 during 41 years, and your retirement is 446 Eur dur - Farmer
The farmer is farming 244 ha of arable land, and the remaining 12% are meadows and pastures. How much land does the farmer own?
- Rhombus problem
The perimeter of the rhombus is 268 m, and its area is 2278 m². Calculate the height of the rhombus. - Drunk man
The drunk man has 2.6‰ of alcohol in his blood. How many grams of alcohol has in his blood if he has 5 kg of blood? - Salary
Lawyer got to pay 840 Euros in banknotes of 20 and 50 Eur. Total got 18 banknotes. How many were which? - Playing cards
How many possible ways are there to shuffle 8 playing cards? - Percent calculation
Calculate 8% if 44% is 32.
- Cu thief
The thief stole 25 meters of copper wire with a cross-section area of $s mm². Calculate how much money is earned on scrap redemption if copper is redeemed for 5.1 Eur/kg. Copper's density is 8.96 t/m³. - School trip
The class has 19 students. How can students be accommodated in the hostel, where available 3× 2-bed, 3× 3-bed and 1× 4-bed rooms? (Each room has its unique number) - Seating
How many ways can 7 people sit on 5 numbered chairs (e.g., seat reservation on the train)? - Sandpile
Auto sprinkled with sand to an approximately conical shape. Workers wanted to determine the volume (amount of sand) and, therefore, measure the base's circumference and the length of both sides of the cone (over the top). What is the sand cone's volume if - Triangle SSS
Calculate the perimeter and area of a triangle ABC if a=40, b=35, and c=55.
- Phone numbers
How many 9-digit telephone numbers can be compiled from the digits 0,1,2,..,8,9 that no digit is repeated? - Profitable bank deposit 2012
Calculate the value of what money is lost to the creditor with a deposit € 11200 for 4 years if the entire duration is interesting 2% p.a. and tax on interest is 19%. Annual inflation is 3.7% (Calculate what you will lose if you leave money lying idle at
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