Mathematics

Quadratic Equation

Quadratic Equation

High-Yield Revision Hub

Master Quadratic Equation

Review key revision formulas, common exam traps, and test your knowledge with targeted practice questions.

Topic Quiz Practice

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Question 1

There are two exam items A and B. If 10 students are sent from A to B, then the number of students in each room is the same. If 20 candidates are sent from B to A, then the number of students in A is twice the number of students in B. The number of students in section A is –