# SOLUTION: 1). there are 3 up escalators and one elrvator to take shoppers from first to second floor there are 3 down escalator and the same elevator to take shoppers from second floor to fi

Algebra ->  Algebra  -> Customizable Word Problem Solvers  -> Numbers -> SOLUTION: 1). there are 3 up escalators and one elrvator to take shoppers from first to second floor there are 3 down escalator and the same elevator to take shoppers from second floor to fi      Log On

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 Click here to see ALL problems on Numbers Word Problems Question 417976: 1). there are 3 up escalators and one elrvator to take shoppers from first to second floor there are 3 down escalator and the same elevator to take shoppers from second floor to first floor. in how many ways can a shoppers go from first floor to the second floor and back? 2). how many 11 digits numbers are possible if the first digits are 9 and 6, the fifth one is 7 and the last two are 2 and 3? that you for your help Answer by sudhanshu_kmr(1152)   (Show Source): You can put this solution on YOUR website! 1) no. of ways to go first floor to second = 4 no. of ways to return from second floor = 4 total no. of ways = 4*4 = 16 2) here, no. of places that should be filled = 6, all others are fixed. no. of ways = 10^6 = 1000000