book Maths Puzzle Numerical Ability

A person starts in a car to attend a marriage and travels with constant speed. After 2 hrs one of the tires got punctured and it took 10min to replace. Later he travels at 30miles/

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i would like to know what is a
nuamrical expretion , algperic expretion
and all the proprties
ex:additive properties , multuplactiv proprties , assoiative properties ,
addit Passes through (8,3) is perpandicular to y=4x+11

a) y=-4x+35
b) y=4x-29
c) y=-1/4x+5
d) y=1/4x+1