book Maths Puzzle Numerical Ability

The area of a gymnasium floor is 264 square yards. The floor is 11 yards wide. How long is the floor?
a)253 yards
b)24 yards
c)11 yards
d) 242 yards

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book Other Question

find the values of f(x) = x squared-1 and g(x)=1-2x, when f(g(1)) and g(f(1)) Find a counter-example to the statement 4^n+1 is divisible by 5.

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