There are seashelleven numbers less than 46,25.
How many even numbers are there less than 46,25. ?
Có bao nhiêu số chẵn nhỏ hơn 46,25 ?
how many even numbers are there less than 46.25
24 23 25 47
How many natural numbers are there less than 7,23 ?
how many odd numbers are there less than 54,91
How many natural numbers are not greater than 2005?
Answer: There are .. ....numbers.
How many natural numbers are not greater than 2005?
Answer: There are numbers.
How many natural numbers are not greater than 2005?
Answer: There are ....numbers
Nhanh nhất tick cho
How many natural numbers are not greater than 2005?
Answer: There are numbers.
How many numbers are there excacly than 19 ???
Nhanh nhất tick cho
Combinatorics
21. 15 students join a competition. Only top 5 students can be promoted to next round. How many different way(s) of promotion advance is / are there?
Different way: Cách khác nhau.
22. It is known that there are 8 classes of grade 5 in a primary school. At least how many students are there in grade 5 to ensure there exist 41 students in the same class?
At least: Ít nhất; Ensure: Chắc chắn; Exist: Tồn tại.
23. Choose 3 digits from 1, 2, 3, 4, 6, 8 and 0 to form 3-digit numbers. How many even number(s) greater than 300 is / are there? (The repetition of digits is not allowed)
Digit: Chữ số; 3-digit number: Số có 3 chữ số; Even number: Số chẵn; Greater than: Lớn hơn; Repetition of digits is not allowed: Các chữ số không được lặp lại.
24. A flight of stairs has 10 steps. Peter can go up for 1 step, 2 steps or 3 steps each time. How many way(s) is / are there for Peter to go up the stairs?
Step: Bước; Way: Cách.
25. Numbers are drawn from 80 integers 20 to 99. At least how many number(s) is / are drawn at random to ensure that there are two numbers whose sum is 85?
Integer: Số nguyên; At least: Ít nhất; Random: Ngẫu nhiên; Ensure: Chắc chắn; Sum: Tổng.
~ End of Paper ~
