book Maths Puzzle Numerical Ability

please find the lowest common denominator of 3/4 and 5/8 thank you

a. 32
b. 16
c. 8
d. 4

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book Other Question

A history test contains 60 multiple choice items, How many items would a student have to correct to earn a score of 80% correct. work the problem out

alec EARNS 57$ FOR WRORKIN Q. If one complex zero of a quadratic equation is 2 + i, what is the quadratic equation in ax^2 + bx + c = 0
thanks, Mike