self Maths Puzzle

Mr.KING left KINGTOWN by car to attend a wedding at KINGCITY. He had been driving for exactly two hours when the car got punctured. It took his driver exactlyten minutes to change the wheel. In order to play safe they covered the remaining distance at a speed of 30 mph. consequently, Mr.KING was at wedding half an-hour behind schedule. Had the car got the puncture only 30 miles later , I would have been only FIFTEEN minutes late he told the driver . How Far is KINGCITY from KINGTOWN.

Read Solution (Total 3)

self Other Question

What is the probability that two randomly chosen positive integers are relatively prime?

Two numbers are relatively prime if they have no common factors.
W H Y
x N U T
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Z Z N P
Z Y P Y
Z U H A
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Z N E P Z P
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Each letter represents one and only one digit from 0 to 9.
Find the solution.