exam
Maths Puzzle
Numerical Ability
A rectangle is three times as long as it is wide. if its length and width is decreased by 2cm its area is decreased by 36 cm^2. Find its original dimensions.
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exam Other Question
A license plate is to consist of two letters followed by three digits. How many different license plates are possible if the first letter must be a vowel, and repetition of letters is not permitted, but repetition of digits is permitted?
f(x)=2x^2-x+7; g(x)=x-1 find (f-g)(x)