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Maths Puzzle
Numerical Ability
Given f(x)=4x-3 and g(x)=2x(to the power of 2)-5 find f[g(-1)] and g[f(-1)].
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1) The expression x5 means,....
2) Inthe expression xn, n is called the,... and x is called the,....
A train, an hour after starting, meets with an accident which detains it one hour, after which it proceeds at 3/5 of its former rate and arrives three hours late. But, had the acci