TCS Company Numerical Ability Permutation and Combination

each section in the firstyear of plus two course has exactly 40 students.if there are 5 sections in how many ways can a set of 4 student representatives be selected one from each selection?

Read Solution (Total 5)

first select 4 classes out of 5 classes...this is in 5c4 ways
now select 1 student from 40 for each class
(5c4)*(40c1)*(40c1)*(40c1)*(40c1)=5*40*40*40*40
11 years agoHelpfull: Yes(30) No(2)

answr is (40c4)^5
11 years agoHelpfull: Yes(10) No(6)
ans is= 5c4*40*40*40*40
11 years agoHelpfull: Yes(4) No(2)
40*40*40*4=2560000
7 years agoHelpfull: Yes(1) No(0)
CAN U TELL ME THE REASON HONEY
11 years agoHelpfull: Yes(0) No(0)

TCS Other Question

In a group of 15, 7 have studied Latin, 8 have studied Greek and 3 have not studied either. How many of the three horses h1,h2,h3 entered a feild which has seven portions marked p1,p2,p3,p4,p5,p6,p7 if no two horses are allowed to enter the same portion of the feild ,in how many ways can the horses graze the grass of the feild?