Question

SLIUL NO. 4
DIRECTIONS for the question: The question given below is followed by two stateme
What are the ages of three brothers?
1. The product of their ages is 21
II. The sum of their ages is not divisible by 3.
if the question can be answered by I alone
if the question can be answered by Il alone
if both statements are needed to answer the question
if the question cannot be answered even with the help of both statements
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Answer 1

Step-by-step explanation:

plz explain...I didn't understand