exam
Maths Puzzle
Numerical Ability
Add and simplify
t+r/tr^2 + 5t+r/t^2r
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exam Other Question
The equation h=-16tē + 112t gives the height of an arrow, shot upward from the ground with an initial velocity of 112 ft/s, where t is the time after the arrow leaves the ground. Find the time it takes for the arrow to reach a height of 180 ft.
The tens digit of a certain number is 3 more than the units digit. The sum of the squares of the two digits is 117. Find the number.