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
1) Solve x2-2x-3>0.
a. (-3, 1)
b. (-1, 3)
c. (- ∞ , -3) U (1, ∞ )
d. (- ∞ , -1) U (3, ∞ )
Please help me siplify the following:
{[8/27)^3:(2/3)^2]^4:(4/9)^10}:(2/3)^6
Thank you
Rosanna