Reasoning Ability Answer with Explanation Blood Relationship -IBPS And SBIPO Paper1

Read the following information carefully and answer the question which follows:
 'A * B' means 'A is brother of B'
 'A - B' means 'A is daughter of B'
 'A ÷B' means 'A is wife of B'
 'A + B' means 'A is son of B'.

1.How is 'T related to P in the expression 'P+Q-R÷T'?

[1]Maternal grandmother.

[2]Maternal grandfather

[3]Paternal grandmother .

[4]Grandson.

[5]None of these.

2.Which of the following means "P is sister of S"?

[1]P+Q÷R-S.

[2]P+Q÷R*S.

[ 3]P*Q-R+S.

[4]P÷Q+R*S.

[5]None of these..

3.How is 'P related to S in the expression 'S*R+Q÷P'?

[1] Father

[2]Grandson.

[3]Son

 [4]Grandfather

[5]None of these.

4.How is 'R related to P in the expression 'P+Q*R-T'?

[1]Niece.

[2] Paternal Uncle

[3]Paternal Aunt.

[4]Either [2] or [3]

 [5]None of these.

Answer

1.[2]

 R(-)----------T(+)

 |                      |                   (+)-- ->Male      (-)----->Female

 |                      |

 Q(-)                |

 |                      |   

 |                      |

 P(+)-----------|Maternal grandfather

2.[5]

3. [1]

      Wife

P(+)----------Q(-)

|                       | 

|  Father           |

|                       | Son               

S(+)------------ R(+)

         Brother

4.[3]                   T

                           | Daughter

                           |

 Q(+)-------------R(-)

  |       Brother         |

  |Son                     |

  |                           |

  P(+) ------------- Paternal Aunt