How many 5 letter words ( with or without meaning) can be formed using all the following 5 letters P,Q,R,V,and T so that letter P is to the left of letter R?
Pick one
A) 90
B) 60
C) 120
D) 144
E) 160
Two positions can be selected out of 5 positions in 5C2 ways = 10 ways.   And the remaining 3 letters can be placed in 3 posions in 3! Ways = 6 ways.   So the final Answer = number of ways letters P and R can be arranged x number   of ways the other 3 letters can be arranged   Final Answer = 10 x 6 = 60 ways   60
<result>B</result>
How many 5 letter words ( with or without meaning) can be formed using all the following 5 letters P,Q,R,V,and T so that letter P is to the left of letter R?