Reason + multiplication principle - practice problems
Number of problems found: 90
How many ways can we distribute 8 different chocolates to four children?
- Three-digit numbers
Use the numbers 4,5,8,9 to write all three-digit numbers without repetition. How many such numbers are there?
- Five-digit numbers
How many different five-digit numbers can be created from the numbers 2,3,5 if the number 2 appears in the number twice and the number 5 also twice?
- Inverted nine
In the hotel Inverted Nine, each hotel room number is divisible by 6. How many rooms can we count with the three-digit number registered by digits 1,8,7,4,9?
There are 20 peaches in the pocket. 3 peaches are rotten. What is the probability that one of the randomly picked two peaches will be just one rotten?
- Dinning room
How many different combinations can we choose if there are 3 soups, 5 kinds of main dish and 2 desserts in the dining room?
Dana confuses sweater and wool has a choice of seven colors. In how many ways can she choose from three colors to the sleeves?
Seven classmates go every day for lunch. If they always come to the front in a different order, will be enough school year to take of all the possibilities?
- Glass with icecream
We have 6 kinds of ice cream and 5 kinds of fruit. We put 3 cups of ice cream and 2 fruits into each glass. How many can unique decorated glasses be?
- Bridge cards
How many bridge hands are possible containing 4 spades,6 diamonds, 1 club, and 2 hearts?
Seven friends agree to send everyone a holiday card. How many postcards were sent?
We throw five times the dice. What is the probability that six fits exactly twice?
A class has 20 students. The classroom consists of 20 desks, with 4 desks in each of 5 different rows. Amy, Bob, Chloe, and David are all friends, and would like to sit in the same row. How many possible seating arrangements are there such that Amy, Bob,
- Word MATEMATIKA
How many words can be created from the phrase MATEMATIKA by changing the letters' order, regardless of whether the words are meaningful?
- Six on dice
What is the probability that when throwing two dice will fall at least one six?
- Sum or product
What is the probability that two dice fall will have the sum 7 or product 12?
How many do three-digit natural numbers not have the number 7?
How many five-digit numbers can be written from numbers 0.3,4, 5, 7 that is divided by 10, and if digits can be repeated?
- Natural numbers
How many natural numbers less than 301 can be created from the numbers 0,1,2,3,6,7?
From the colors - red, blue, green, black, and white, create all possible tricolors.
Reason - practice problems. Multiplication principle - practice problems.