Consider the following statements:
a. The number of ways to arrange the letters of the word "PEPPER” is 60
b. In a group of 20 people, the number of ways to select a committee of 3 members
C. where the order doesn`t matter is (20) The expansion of (2+x)³ using binomial theorem is 8+6x+12x²+x³.
d. The number of ways 3 boys and 3 girls are sit in a row is 360.
Which of the following statement is correct?
A
a and b
B
c and d
C
a, b and c
D
d and a
1: PEPPER = 6!/3!2!=60, 2: correct, 3: expansion correct. Only 4 is wrong. Hence a, b, c correct.
Correct Answered :
Wrong Answered :