Problem of the Day - July 31st 2010

Problem:  A student found an unique way to remember a year in the nineteenth century. He found that when the number is viewed in a mirror held parallel to the page, the value increased to 4.5 times itself. Find the year?

Options:

A.  1801
B.  1810
C.  1818
D.  1780
E.  1890

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Time, Speed & Distance -Problem of the Day

Problem: In a Shopping Mall, to go from floor 1 to floor 5 there is an escalator ( a moving stair-case) which moves at a speed of 1 step per second. A man walks up the escalator and takes 36 seconds to reach the floor 5 from floor 1. While coming back he walks down the same escalator and takes 108 seconds to come down. Had the escalator not been moving. How long(in seconds) would he take to walk down to floor 1 from floor 5?


Options:

A. 54
B. 72
C. 90
D. None of these

For solution visit - Problem of the DAY