Classes›Class 9›Maths›NCERT›The World of Numbers›Exercise 3.2›Q 3
QUESTION 3 i Easy

Calculate the following using Brahmagupta's laws:
(−12) × 5

SOLUTION

According to Brahmagupta laws, the product of fortune and debt is a debt. So
(−12) × 5 = −(12 × 5) = −60
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Final Answer : −60

Concept Note

The product of a fortune(+) and a debt(−) is a debt(−).