exam
Maths Puzzle
Numerical Ability
Anna can swab the deck in 8 hours. Alex can do the same thing in only 5. If they work together how long will it take them to swab the deck?
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exam Other Question
14: An oblique triangle has angle A= 68 degrees, angle B = 79 degrees, and b=8 ft. Determine the length of side c.
(n-1)(n)(n+1)=210