A two member committee comprising of one male and one female member is to be con
A two member committee comprising of one male and one female member is to be constitute out of five males and three females. Amongst…
A class photograph has to be taken. The front row consists of 6 girls who are si
A class photograph has to be taken. The front row consists of 6 girls who are sitting. 20 boys are standing behind. The two…
In how many ways 2 students can be chosen from the class of 20 students?
In how many ways 2 students can be chosen from the class of 20 students?
If 5times ^textntextP_3 = 4 times ^(n + 1)textP_3, find n?
If 5times ^textntextP_3 = 4 times ^(n + 1)textP_3, find n?
Three gentlemen and three ladies are candidates for two vacancies. A voter has t
Three gentlemen and three ladies are candidates for two vacancies. A voter has to vote for two candidates. In how many ways can one…
Ten different letters of alphabet are given, words with 5 letters are formed fro
Ten different letters of alphabet are given, words with 5 letters are formed from these given letters. Then, the number of words which have…
A question paper has two parts, A and B, each containing 10 questions. If a stud
A question paper has two parts, A and B, each containing 10 questions. If a student has to choose 8 from part A and…
12 chairs are arranged in a row and are numbered 1 to 12. 4 men have to be seate
12 chairs are arranged in a row and are numbered 1 to 12. 4 men have to be seated in these chairs so that…
Find the number of triangles which can be formed by joining the angular points o
Find the number of triangles which can be formed by joining the angular points of a polygon of 8 sides as vertices.
How many words can be formed by re-arranging the letters of the word ASCENT such
How many words can be formed by re-arranging the letters of the word ASCENT such that A and T occupy the first and last…
There are 10 points in a plane out of which 4 are collinear. Find the number of
There are 10 points in a plane out of which 4 are collinear. Find the number of triangles formed by the points as vertices.
If 6 P r = 360 and If 6 C r = 15, find r ?
If 6 P r = 360 and If 6 C r = 15, find r ?