Multiplication principle - math word problems
Number of problems found: 170
At the table sit 10 people, 5 on one side and 5 on the other side. Among them are 3 pairs. Every pair wants to sit opposite each other. How many ways can they sit?
In the box are 8 white, 4 blue and 2 red components. What is the probability that we pull one white, one blue and one red component without returning?
- No. of divisors
How many different divisors have number ??
3 children pulled 12 different toys from a box. Many ways can be divided toys so that each children had at least one toy?
5 cards are chosen from a standard deck of 52 playing cards (13 hearts) with replacement. What is the probability of choosing 5 hearts in a row?
A school survey found that 12 out of 15 students like pizza. If 6 students are chosen at random, what is the probability that all 6 students like pizza?
Event P has probability of 0.84. What is the probability that the event P occurs in 3, 5, 7 try.
- 7 heroes
9 heroes galloping on 9 horses behind. How many ways can sort them behind?
Hockey match ended 8:2. How many different matches could be?
How many are all subsets of set ??
What is the probability that a random word composed of chars E, Y, G, E, R, O, M, T will be the GEOMETRY?
How many rectangles with area 8713 cm2 whose sides is natural numbers are?
How many different flags can be made from colors red, yellow, blue, green, white so that each flag consisted of three different colors?
10 trees in 5 lines grows in the orchard. How many trees are in the orchard?
- Bits, bytes
Calculate how many different numbers can be encoded in 16-bit binary word?
- Morse alphabet
Calculate how many words of Morse code to create compiling dashes and dots in the words of one to four characters.
How many ways can 7 guests sit down on 8 seats standing in a row?
- Football league
In the 5th football league is 10 teams. How many ways can be filled first, second and third place?
- 2nd class combinations
From how many elements you can create 4560 combinations of the second class?
- 2nd class variations
From how many elements you can create 2450 variations of the second class?