Start learning →

What is the product of five numbers, each equal to −1?

A0
B1
C−5
D−1
Answer & Solution
Correct answer: D. −1
Pairs of −1 give +1, and one −1 is left over, so the product is −1.
Practise this question with Quill — Olympiad (Class 7) →

Keep practising Integers

Browse all Integers questions for Olympiad (Class 7), or explore more Mathematics topics.

Start a Integers lesson →
Related questions