Natural numbers - math word problems - page 88 of 92
Number of problems found: 1834
- Three digits number
From the numbers 1, 2, 3, 4, and 5, create three-digit numbers whose digits do not repeat, and the number is divisible by 2. How many numbers are there? - Chocolates
In the market, we have 3 kinds of chocolates. How many ways can we buy 8 chocolates? - Largest number n
Find the largest natural number d that has that property for any natural number n; the number V(n) is the value of the expression: V (n) = n ^ 4 + 11n²−12 is divisible by d. - A bag
A bag contains nine blue marbles and one green marble. What is the probability of drawing a blue marble followed by a green marble without replacing the first marble before drawing the second marble? - Six-digit number creation
How many 6-digit numbers can be created from the number 1,2,3,4,5,6 if we must not repeat the numbers? - Fruits
The shop sells four kinds of fruits. How many ways can we buy three pieces of fruit? - Two-digit numbers
Write all the two-digit numbers that can be composed of the digit 7,8,9 without repeating the digits. Which ones are divisible b) two, c) three d) six? - Book reading order
Dana received four new books. How many different orders can she read them? - Delegation - b&g
There are 22 girls and nine boys in the class. How many ways can a delegation be created with three girls and one boy? - Jane mark count
Jane received three different marks (1-5) during the day. How many marks did she receive? A) 6 B) 8 C) 10 D) 12 - Binary words How many 10-bit words can be created with precisely four units (e.g., 1111000000)?
- The gems
The jeweler selects four gems for the ring: rubies, emeralds, and sapphires. How many options does he have? - Integer part system
In the field of real numbers, solve the system of equations: 2x + ⌊y⌋ = 2022, 3y + ⌊2x⌋ = 2023. (⌊a⌋ denotes the (lower) integer part of the real number a, i.e., the largest integer not greater than a., E.g., ⌊1.9⌋ = 1 and ⌊−1.1⌋ = −2.) - Permutation element count
From how many elements can we make 5040 permutations without repetition? - A three-digit numbers
Determine the total number of positive three-digit numbers that contain a digit 7. - No. of divisors
How many different divisors have number 13 4 * 2 4? - Number divisor proof
The natural number n has at least 73 two-digit divisors. Prove that one of them is the number 60. Also, give an example of the number n, which has exactly 73 double-digit divisors, including a proper justification. - Three-digit number creation
The numbers 1,3,7,4 are given. How many three-digit numbers are there: a) if the numbers can be repeated b) if the numbers cannot be repeated c) how many even three-digit numbers if the numbers can be repeated d) how many odd three-digit numbers if the nu - Chess tournament players
In an amateur chess tournament, everyone plays with everyone. There are a total of 171 chess games on the program. How many players take part in the match? - Numbers 6D
Find out how many natural six-digit numbers exist whose digit sum is four.
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