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Question

If p "It rains today", q "I go to school", r "I shall meet my friends"
What can be concluded from "If it rains I won't go to school, instead I will meet my friends." ?

A
r q p
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B
q r p
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C
pqr
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D
pqr
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Solution

The correct option is B q r p

p: It rains today.
q: I go to school.
r: I shall meet my friends.
The given statement can be expressed as
p(qr)
There is no such expression in options.
So, we check it's contra-positive, that is
[p(qr)]
or, q r p

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