Closing Date - 28 February
Think twice.
41, using normal mathematical convention replace the question marks in the following with either a plus, minus, multiplication or division sign ( each only used once)
3 ? 7 ? 4 ? 3. What is the highest possible total ( to two decimal
places.
43, logically what letter is missing from this list: a,f,h,n,y,z?
45, A regular LP vinyl record is 30cm in diameter, the outer non-recorded area is 5mm in width, the centre non-playing area is 10cm in diameter, the grooves are 1/4mm apart, what
is the distance travelled by the stylus during the time it is playing the recorded section assuming it moves in a straight line.