exam Maths Puzzle Numerical Ability

..What is the total length of 32 pieces of copper wire, if each piece is 2 3/16 inches long?

... A women worked 7 1/2 hours per day for 14 days how many hours did she work?

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exam Other Question

I need to write an ECR with the following question:

At an amusement park, each visitor receives one of four different toy animals. A visitor has an equal chance of receiving an please help
the question is
* for what value(s) of the variable is the rational expression undefined?
2x+ 9
divide by
(x-5)(x+9)