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Byju's Answer

Standard XII

Mathematics

Contra-Positive Method of Validation

If i P+Q mean...

Question

If (i) P+Q means P 'is the husband of' Q
(ii) $P \div Q$ means P 'is the sister of' Q
(iii) P X Q means P 'is the son of' Q
then which of the following shows that P is the daughter of Q ?

R \times Q \div P

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Q + R \times P

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S \times Q + R \div P

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P \div S \times Q

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None of these

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Solution

The correct option is C $P \div S \times Q$
P is the daughter of Q means P is the sister of the son (say S) of Q i.e. P $\times$ S $\times$ B

Suggest Corrections

Similar questions

Q. If (i)

P + Q

means

P

'is the husband of'

Q

(ii)

P \div Q

means

P

'is the sister of'

Q

(iii)

P \times Q

means

P

'is the son of'

Q

,
then which of the following shows that

P

is the daughter of

Q

Q. If

P + Q

means P is the husband of Q

P / Q

means P is the sister of Q and

P \times Q

means P is the son of Q.
Which of the following shows A is the daughter of B?

Q. Read the following information carefully and answer the following questions:

^{'} P \div Q^{'}

means 'P is the son of Q'.

^{'} P \times Q^{'}

means 'P is son of Q'.

^{'} P + Q^{'}

means 'P is the brother of Q'.

^{'} P - Q^{'}

means 'P is the mother of Q'.
Which of the following means that 'S is the husband of T'?

Q. Read the following information carefully and answer the questions, which follow.
(i)

^{'} P + Q^{'}

means `P is the son of Q'.
(ii)

^{'} P \times Q^{'}

means 'P is the sister of Q'.
(iii)

^{'} P + Q^{'}

means 'P is the brother of Q'.
(iv)

‘ P - Q^{'}

means 'P is the mother of Q'.
Which of the following means that 'S is the husband of T'?

Q. Read the following information carefully and answer the questions which follow.
(i)

^{'} P \div Q^{'}

means `P is the son of Q'.
(ii)

^{'} P \times Q^{'}

means 'P is the sister of Q'.
(iii)

^{'} P + Q^{'}

means 'P is the brother of Q'.
(iv)

‘ P - Q^{'}

means 'P is the mother of Q'.
How is T related to S in the expression

^{'} T \times R + V + S^{'}

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If (i) P+Q means P 'is the husband of' Q(ii) P÷Q means P 'is the sister of' Q (iii) P X Q means P 'is the son of' Q then which of the following shows that P is the daughter of Q ?

The correct option is C P÷S×QP is the daughter of Q means P is the sister of the son (say S) of Q i.e. P×S×B

If (i) P+Q means P 'is the husband of' Q
(ii) $P \div Q$ means P 'is the sister of' Q
(iii) P X Q means P 'is the son of' Q
then which of the following shows that P is the daughter of Q ?

The correct option is C $P \div S \times Q$
P is the daughter of Q means P is the sister of the son (say S) of Q i.e. P $\times$ S $\times$ B