Mathematics Past Questions and Answers

The mean age of a group of students is 15 years. When the age of a teacher, 45 years old, is added to the ages of the students, the means of their ages becomes 18 years. Find the number of students in the group.

Factorise x² - 5x + 6

If a pencil cost N 3.00 and a notebook costs N5 and one bought pencils and notebooks for N25.00 then the number of pencils bought is

The sum if the internal angles of a triangle is

368 mod 7 is