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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book Other Question
what are the formulas fro finding the surface area of a, rhombu,s parallelogram, rectangle, square, and a triangle? what is the distance between the points (-2sq. root 7, 10) and (4sq. root 7 , 8)?