MBA
Exam
THERE ARE 10 STEPS IN A A STAIR CASE AND A PERSON HAS TO TAKE THOSE STEPS. AT EVERY STEP THE PERSON HAS GOT A CHOICE OF TAKING ONE STEP OR TWO OR THREE STEPS. THE NUMBER OF WAYS IN WHICH A PERSON CAN TAKE THOSE STEPS IS 1) 39 2) 3^10 3) 3^8 4) 274
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