119015 Seven wedding occur in a week. What is the probability that they happen on the same day?

119017 The total number of ways of selecting two numbers from the set \(\{1,2,3, \ldots, 30\}\), so that their sum is divisible by 3 , is

119018 Three straight lines \(l_1, l_2, l_3\) are parallel and lie on the same plane. 5 points are taken on line \(l_1\). 6 points are taken on line \(l_2\) and 7 points are taken on line \(l_3\). What is the maximum number of triangles formed with vertices at these points?

119019 The total number of 5 -digit numbers, formed by using the digits \(1,2,35,6,7\) without repetition, which are multiple of 6 , is

119020 A person draws a card from a pack of playing cards, replaces it and shuffles the pack. He continues doing this until he draws a spade. The chance that he will fail the first two times is

119015 Seven wedding occur in a week. What is the probability that they happen on the same day?

119017 The total number of ways of selecting two numbers from the set \(\{1,2,3, \ldots, 30\}\), so that their sum is divisible by 3 , is

119018 Three straight lines \(l_1, l_2, l_3\) are parallel and lie on the same plane. 5 points are taken on line \(l_1\). 6 points are taken on line \(l_2\) and 7 points are taken on line \(l_3\). What is the maximum number of triangles formed with vertices at these points?

119019 The total number of 5 -digit numbers, formed by using the digits \(1,2,35,6,7\) without repetition, which are multiple of 6 , is

119020 A person draws a card from a pack of playing cards, replaces it and shuffles the pack. He continues doing this until he draws a spade. The chance that he will fail the first two times is

119015 Seven wedding occur in a week. What is the probability that they happen on the same day?

119017 The total number of ways of selecting two numbers from the set \(\{1,2,3, \ldots, 30\}\), so that their sum is divisible by 3 , is

119018 Three straight lines \(l_1, l_2, l_3\) are parallel and lie on the same plane. 5 points are taken on line \(l_1\). 6 points are taken on line \(l_2\) and 7 points are taken on line \(l_3\). What is the maximum number of triangles formed with vertices at these points?

119019 The total number of 5 -digit numbers, formed by using the digits \(1,2,35,6,7\) without repetition, which are multiple of 6 , is

119020 A person draws a card from a pack of playing cards, replaces it and shuffles the pack. He continues doing this until he draws a spade. The chance that he will fail the first two times is

119015 Seven wedding occur in a week. What is the probability that they happen on the same day?

119017 The total number of ways of selecting two numbers from the set \(\{1,2,3, \ldots, 30\}\), so that their sum is divisible by 3 , is

119018 Three straight lines \(l_1, l_2, l_3\) are parallel and lie on the same plane. 5 points are taken on line \(l_1\). 6 points are taken on line \(l_2\) and 7 points are taken on line \(l_3\). What is the maximum number of triangles formed with vertices at these points?

119019 The total number of 5 -digit numbers, formed by using the digits \(1,2,35,6,7\) without repetition, which are multiple of 6 , is

119020 A person draws a card from a pack of playing cards, replaces it and shuffles the pack. He continues doing this until he draws a spade. The chance that he will fail the first two times is

119015 Seven wedding occur in a week. What is the probability that they happen on the same day?

119017 The total number of ways of selecting two numbers from the set \(\{1,2,3, \ldots, 30\}\), so that their sum is divisible by 3 , is

119018 Three straight lines \(l_1, l_2, l_3\) are parallel and lie on the same plane. 5 points are taken on line \(l_1\). 6 points are taken on line \(l_2\) and 7 points are taken on line \(l_3\). What is the maximum number of triangles formed with vertices at these points?

119019 The total number of 5 -digit numbers, formed by using the digits \(1,2,35,6,7\) without repetition, which are multiple of 6 , is

119020 A person draws a card from a pack of playing cards, replaces it and shuffles the pack. He continues doing this until he draws a spade. The chance that he will fail the first two times is