Vidyalelo
Aptitude · Q374

Number System

Competitive Exams · Aptitude · question 374

Q374

If a and b are two numbers such that ab = 0, then -

A.
a = 0 and b = 0
B.
a = 0 or b = 0 or both
Answer
C.
a = 0 and b 0
D.
b = 0 and a 0

Answer: Option B

Solution

Answer: Option B
Solution:
ab = 0
⇒ a = 0 or b = 0 or both are zero