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prashant upadhyay

· started a discussion

· 1 Months ago

for this inequality (Question:123083.1)

how to approach or start this question to save time

Question:
DIRECTIONS: Read the following information carefully and answer the questions given below it.
‘X + Y’ means ‘X is the father of Y’. 
‘X – Y’ means ‘X is the mother of Y’
‘X x Y’ means ‘X is the brother of Y’
‘X \(\div\) Y’ means ‘X is the sister of Y’. 
Which of the following symbols should replace question mark in the given expression in order to make the relation ‘P is the niece of M’ definitely true?
M x N ? R – P\(\div\)S
Options:
A) x
B) +
C) \(\div\)
D) Either x or \(\div\)
Solution:

Ans: (d)



M and R must be siblings. So, their intermediary sibling N should be either a brother or a sister of both. Therefore, either x or \(\div\) can be placed.

Knowledge Expert

· commented

· 1 Months ago

Just remember the meaning of sign.

Knowledge Expert

· commented

· 1 Months ago

Just remember the meaning of sign.
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