Question

There are 6 multiple choice questions in an examination. Howmany sequences of answers are possible, if the first three questions have4 choices each and the next three have 5 each?

Answer 1

Solution :-

⇒ The first three question can be answered wit 4 ways . →  { Given }
                                                                                 
⇒ The next three question can be answered in 5 ways .→   { Given }

⇒Therefore , the total . no . of sequences that can be answered is as follows :- 

                                                        →  4 × 4 × 4 × 5 × 5 × 5 = 8000

Answer 2

hope it helps..........