exam
Maths Puzzle
Numerical Ability
If D=st and s=300,000km t=2.5 second, how far is the moon if it takes 2.5 sec to travel to the earth and back(in km)?
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exam Other Question
In a race, the first prize will be $5 greater than the second and the second will be $4 greater than the third. The total prize money is $52. Find each prize.
Find the solution sets of the following simultaneous equations, solving for x and y.
(a) bx+y = a
ax-y = b