Tag: squaring

Interview Questions

• What is 2 to the 16th, exactly?
• What is 2 to the 18th, exactly?
• Square 996 in your head
• What is 2 to the 20th, exactly?
• Square 48 in your head
• Square 103 in your head
• Square 87 in your head
• Square 85 in your head
• Square 62 in your head
• Square 35, then compute 34 × 36
• Square 102 in your head
• Square 998 in your head
• Square 47 in your head
• Square any number ending in 5
• Square 99 in your head
• Square 1007 in your head
• Square 497 in your head
• Square 135 in your head
• Square 998 in your head
• Square 104 without long multiplication
• 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 203 around a round base
• Square 27 with the slide trick
• Square 305 with the ends-in-5 shortcut
• Square 45 instantly
• Square 497, a six-digit answer in seconds
• Square 53 using the number nearest 50
• Square 75 in your head
• Square 45 instantly
• Square 95 instantly
• Square 125 instantly
• Multiply 83 by 87 instantly
• Square 85 instantly
• Square 995, a big number with a tiny correction