Maths Maths Puzzle Category

Rohit was asked to find the value of 3
8
of a sum of money. Instead of multiplying the sum by 3
8
he

divided it by 3
8
and then his answer exceeded by Rs.55. Find the correct value of 3
8
sum of money?

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Maths Other Question

How many six-digit numbers contain exactly five different digits Roger gets on the elevator at the 41st floor of a skyscraper and rides up at the rate of 42 floors per minute. At the same time, Edward gets on an elevator at the 81st floor of the same skyscraper and rides down at the rate of 78 floors per minute. If they continue travelling at these rates, then at which floor will their paths cross?