exam
Maths Puzzle
Numerical Ability
The pressure P of a gas at constant temperature varies inversly as the volume V. If V +600 inches cubed when P+45 lbs/inches squared, what is P when V+ 54 inches cubed?
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exam Other Question
A REGIMENT OF SOLDIERS ,WHEN FORMED INTO A SOLID SQUARE , HAS 45 SOLDIERS FEWER IN THE FRONT THAN WHEN FORMED INTO A HOLLOW SQUARE 5 DEEP.FIND NUMBER OF SOLDIERS.
factor:
a^2+11a+18