Table of Contents
How many ways can three forms be selected out of 20 forms if 5 are never selected?
REQUIRED NUMBER OF WAYS=(2520×20)=50400.
How many ways a 6 member team can be formed having 3 men and 3 ladies from a group of 6 men and 7 ladies?
700
How many ways a 6 member team can be formed having 3 men and 3 ladies from a group of 6 men and 7 ladies? Explanation: We have to pick 3 men from 6 available men and 3 ladies from 7 available ladies. Required number of ways = 6C3 * 7C3 = 20 * 35 = 700.
How many arrangements can be made from the letters of the word professional Mcq?
The number of ways in which the four vowels always come together = 180 x 12 = 2160.
How many ways can 4 students be chosen from a class of 12?
495 ways
Summary: 495 ways a committee of 4 can be selected from a club with 12 members.
How many ways can a team of 5 members be formed by 6 boys and 4 girls if atleast 2 girls should be selected?
Hence, the required number of ways =(120+60+6)=186.
How many ways can a committee of 6 members consisting of 4 men and 2 ladies be formed from a group of 7 men and 6?
The remaining 4 should be selected from 7 men in 7C4 = 7×6×5×41×2×3×4 7 × 6 × 5 × 4 1 × 2 × 3 × 4 = 35. The required number of ways = 6 × 35 = 210. The required number of ways = 210 + 140 + 21 = 371.
How many ways can 7 beads can be arranged to form a necklace?
Permutation and Combination #39
| 39. In how many ways can 7 beads can be arranged to form a necklace? | |
|---|---|
| A. 360 | B. 120 |
| C. 720 | D. 60 |
What is the value of 100 p2?
Answer: The value of 100P2 is 9900. Step-by-step explanation: 100P2 stands for the number of permutation of 100 different things taken 2 at a time.
What is the value of 10 C 3?
Hence the correct answer is 120.
Have to select 4 children from a group of 6 boys and 4 girls in how many ways can this be done such that at least 1 boy is part of the selected group?
of ways of selecting 4 children’s from 6 boys and 4 girls. C(4,4) is no. of ways of selecting 4 girls from 4 girls which is 1 way. So the answer is 209.
How many ways can a group of 7 members be formed from 6 boys and 5 girls of the group must have 4 boys?
1 Answer. Hence, the group can be formed in 100 ways.
How many ways a committee of 7 members can be selected from 6 men and 5 ladies consisting of 4 men and 3 ladies?
Answer : Since the committee of 5 is to be formed from 6 gents and 4 ladies. = 186 ways.
How many committees of 5 members can be formed from 6 gentlemen and 4 ladies?
According to the question we have to make a committee of 5 and in each committee formed there must be at least one lady. There are 6 gentlemen and 4 ladies. Hence, the required number of committees is 246.