Mathematics Past Questions and Answers

Given:<br/>\[<br/>U=\{a,b,c,d,e,f,g,h\}<br/>\]<br/>\[<br/>A=\{a,c,e,g\}<br/>\]<br/>\[<br/>B=\{b,c,d,e\}<br/>\]<br/>Find:<br/>\[<br/>A\cup B'<br/>\]

A student’s score increased from 48 to 60. Find the percentage increase.

A trader sold a bag worth ₦40,000 at a discount of 25%. Find the discount amount.

Find the HCF of:<br/>\[<br/>18x^2y,\ 24xy^2<br/>\]

A trader sold a generator for ₦170,000 after giving a 15% discount. Find the marked price.