exam
Maths Puzzle
Numerical Ability
Simplify:
log7^7^3 + log10^10^4 + log5^5- log2^2
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exam Other Question
A car and a bus set out a 2 p.m. from the same point, headed in the same direction. The average speed of the car is 30 mph slower than twice the speed of the bus. In two hours, the car is 20 miles ahead of the bus. Find the rate of the car.
On a monitor, the graphs of two impulses are recorded on the same screen, where 0 degress <=x<=360 degrees. The impulses are given by the following equations:
y=2sin^2 x (the "x"