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Standard XII

Mathematics

Sequence

A is the moth...

Question

A is the mother of B. C is the father of B and C has 3 children.
On the basis of this information, find out which of the following relations is correct :

C has three daughters

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C has three sons

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B is the son

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None of these

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B is the daughter

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Solution

The correct option is D None of these

$∵$ C has three children but we can't say whether he has three daughters or three sons.
So, options (a) and (b) are incorrect.
Also, we don't know if B is a boy or girl.
So, options (c) and (d) are also incorrect.

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

^{'} A \times B^{'}

means 'A is the father of B'.
(ii)

^{'} A + B^{'}

means 'A is the wife of B'.
(iii)

^{'} A \div B^{'}

means 'A is the daughter 'of B'.
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Q. A supplies rice and wheat to the wife and children of B who is a lunatic. B has assets worth one lakh of rupees. Which of the following is correct in relation to this statement?

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

^{'} A \times B^{'}

means 'A is the father of B'.
(ii)

^{'} A + B^{'}

means 'A is the wife of B'.
(iii)

^{'} A \div B^{'}

means 'A is the daughter of B'.
(iv)

^{'} A - B^{'}

means 'A is the son of B'.
Which of the following relations is true based upon the relations given in the equation

A - B \times C + D - E^{'}

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A is the mother of B. C is the father of B and C has 3 children. On the basis of this information, find out which of the following relations is correct :

The correct option is D None of these ∵ C has three children but we can't say whether he has three daughters or three sons. So, options (a) and (b) are incorrect. Also, we don't know if B is a boy or girl. So, options (c) and (d) are also incorrect.

A is the mother of B. C is the father of B and C has 3 children.
On the basis of this information, find out which of the following relations is correct :

The correct option is D None of these

$∵$ C has three children but we can't say whether he has three daughters or three sons.
So, options (a) and (b) are incorrect.
Also, we don't know if B is a boy or girl.
So, options (c) and (d) are also incorrect.