exam
Maths Puzzle
Numerical Ability
A string is stretched corner to corer on a floor tiled with square tiles. If the floor is 28 tiles long and 35 tiles wide, over how many tiles does the string cover?
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remove parenthesis and solve: show steps please
5(x+2)+3(2x+1)-(x-5)=10
which of the following CANNOT be the average ( arithmetic mean) of four positive even integers
A)1
B)2
C)6
D)9
E)12