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Maths Puzzle
Numerical Ability
20-4b
over
2 also the sqaure root of 36-9
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The distance an object falls is directly proportional to the square of the time it has been falling. After 6 seconds it has fallen 1296 feet. How long will it take to fall 2304 feet? I figured 1296 = x(6)square but not able to complete.
A boy walks home from school in 30 minutes. His brother takes 40 minutes to walk home. His brother left 5 minutes before he did. In how many minutes will the boy overtake his br