Question

32. How many 3 letters words (with or without meaning) can be formed out of the
letters of the word, "SWITCHBOARD”, if repetition of letters is not allowed?
1) 1000
2) 9900
3) 990
4) Can't​

Answer 1

Answer:

SWITCHBOARD:- SWI, TCH, BOA. RDS.........

It can bee many many

bt now ATO:- (accorfing to given options)

ans:- 3) 990