Combinatorial number - math word problems - last page
Number of problems found: 296
- Sales
From statistics of sales goods, item A buys 57% of people, and item B buys 76% of people. What is the probability that from 18 people buy 10 item A and 8 item B? - Lines
How many points will intersect 27 different lines where no two are parallel? - Hockey
The hockey match ended 8:10. How many different matches could be? - Calculation of CN
Calculate: (486 choose 159) - (486 choose 327)
- 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? - Rectangles
How many rectangles with area 8855 cm² whose sides are natural numbers? - Bulbs
The probability that the bulb can operate 4000 hours is 0.3. What is the probability that exactly one of the eight bulbs can operate 4000 hours? - Examination
The class is 25 students. How many ways can we choose 5 students for examination? - Teams
How many ways can we divide 14 players into two teams of 7 members?
- Tournament
Determine how many ways can be chosen two representatives from 34 students to school tournament. - Confectionery
The village markets have 5 kinds of sweets. One weighs 31 grams. How many different ways can a customer buy 1.519 kg sweets? - Chords
How many 4-tones chords (chord = at the same time sounding different tones) is possible to play within 7 tones? - 2nd class combinations
From how many elements can you create 2346 combinations of the second class? - Party
At the party, everyone clinked with everyone. Together, they clink 406 times. How many people were at the party?
How many diagonals have convex 30-gon?
What is the probability that a family with 3 children has: exactly 1 girl? 2 girls and 1 boys? Consider the birth probability of a girl as 48.66% and a boy as 51.34%.Do you have homework that you need help solving? Ask a question, and we will try to solve it. Solving math problems.
