The difference between two numbers is 10 and their sum is 50. What is the smaller number?

A15

B20

C25

D30

Explanation

x+y=50, x-y=10 => 2x=60, x=30, y=20.

Exam Relevance

Topic: Algebra
Subtopic: Simultaneous Equations

Submitted by: mcqstutor Team More Mathematics MCQs →