Skills: Attention to Detail, Logical Thinking, Pattern Identification, Critical Thinking
Multiply the series 10,9,8… -9,-8,-10 — What is the sum?

ANSWER: The sum is zero as the series includes 1,0,-1 and a number multiplied by zero is zero.

ANSWER: The sum is zero as the series includes 1,0,-1 and a number multiplied by zero is zero.