Tag: ending-in-5

Interview Questions

• Square any number ending in 5
• Square 135 in your head
• Square 205 in your head
• Square 995 in your head
• What is the square root of 3025?
• Square 115 in your head
• Square 45 instantly
• Square 95 instantly
• Square 125 instantly
• Multiply 83 by 87 instantly
• Square 85 instantly