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Maths Puzzle
Numerical Ability
Your cousin is 26 yrs older than your sister. The product of their ages is 560. How old is your sister?
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book Other Question
Mr. X biked 2.5 hrs up a mountain. Rested for 30 minutes. Biked down in 1.5 hrs. How far did he bike, if his rate of ascent was 3 km/hr less than his rate of decent?
Determine the GCF of the following terms:
54x^5 y^7 z^3 , 72x^3 y^5 z^2 , 63x^4 y^3 z^9