1.
How many arrangements of the letters of the word BEGIN can be made, without changing the place of the vowels in the word?
Answer: Option ''
Answer: Option 'B'
E,I fixed. Consonants can be arrangements in 3P3 = 3! = 6 ways
2.
In how many different number of ways a combination of 3 men and 2 women can be selected from 6 men and 5 women.
Answer: Option 'B'
6C3
= 6!/(3! . 3!)
= (6 × 5 × 4)/(3 × 2)
= 5 × 4 = 20.
3.
In how many different number of ways 4 boys and 2 girls can sit on a bench?
Answer: Option ''
Answer: Option 'C'
npn = n!
6p6
= 6 × 5 × 4 × 3 × 2 × 1 = 720
4.
Find 9P3
Answer: Option 'B'
9P3 = 9!/6! = 9 × 8 × 7
= 504.
5.
In how many different number of ways 5 men and 2 women can sit on a shopa which can accommodate persons?
Answer: Option 'D'
Answer: Option 'D'
7p3 = 7 × 6 × 5 = 210