exam
Maths Puzzle
Numerical Ability
Dorothy drives 10 kilometers, then increases her speed by 10 kilometers per hour and drives another 25 kilometers. Find her original speed if she drove for 45 minutes.
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exam Other Question
2.) Consider a 60-W light bulb. A watt (W) is defined as a joule per second (J/s). Write the quantity 60 W in terms of the units Newton (N), meter (m), and second (s).
fully factorise the following expressions
2a-8b
3ab-9bc+12abc
15a squared b-10ab3c