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Q:

An equilateral triangle is described on the diagonal of a square. What is the ratio of the area of the triangle to that of the square?

A) 1:2	B) 1:3
C) 2:3	D) 3^(1/2) :2

Answer & Explanation Answer: D) 3^(1/2) :2

Explanation:

area of a square = a² sq cm

length of the diagonal = $\sqrt{2 a}$ cm

area of equilateral triangle with side $\sqrt{2 a}$ = $\frac{\sqrt{3}}{4} * {(\sqrt{2 a})}^{2}$
required ratio = $\frac{\sqrt{3}}{4} * {(\sqrt{2 a})}^{2} : a^{2} = \sqrt{3} : 2$

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Q:

All the six members of a family A, B, C, D, E and F are travelling together. B is the son of C but C is not the mother of B. A and C are a married couple. E is the brother of C. D is the daughter of A. F is the brother of B. How is E related to D?

A) Father	B) Brother
C) Uncle	D) Cannot be determined

Answer & Explanation Answer: C) Uncle

Explanation:

B is the son of C but C is not the mother of B means C is the father of B A is marned to C means A is the mother of B. F is brother of B means F is son of A and C. D is daughter of A means D is daughter of A and C

E is the brother of C who is the father of D. So. E is the uncle of D.

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Filed Under: Blood Relations

Q:

P is the brother of Q and R. S is R's mother. T is P's father. Which of the following statements cannot be definitely true ?

A) T is Q's father	B) S is P's mother
C) P is S's son	D) Q is T's son

Answer & Explanation Answer: D) Q is T's son

Explanation:

P, Q, R are children of same parents. So. S who is R's mother and T, who is R's father will be mother and father of all three.

However, it is not mentioned whether Q is male or female So, D cannot be definitely true.

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Q:

Neelam, who is Deepak's daughter, says to Deepika, Your mother Rekha is the younger sister of my father who is the third child of Ramlal." How is Ramisl related to Deepika ?

A) Uncle	B) Father
C) Grandfather	D) Father-in.law

Answer & Explanation Answer: C) Grandfather

Explanation:

Neelam's father is Deepak. Deepika's mother is` Rekha. Deepak is the third child of Ramlal.

So, Deepak's younger sister Rekha is the daughter of Ramlal. So. Ramlal is father of Rekha and grandfather of her daughter Deepika.

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Q:

Rajan is the brother of Sachin and Manick is the father of Rajan. Jagat is the brother of Priya and Priya is the daughter of Sachin. Who is the uncle of Jagat ?

A) Rajan	B) Sachin
C) Manick	D) None of these

Answer & Explanation Answer: A) Rajan

Explanation:

Jagat is the brother of Priya and Priya is the daughter of Sachin. So. Jagat is the son of Sachin. Now, Rajan is the brother of Sachin.

Thus, Rajan is the uncle of Jagat

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Q:

A is the son of B, C. B's sister has a son D and a daughter E. F is the maternal uncle of D. How is E related to F ?

A) Sister	B) Daughter
C) Niece	D) Wife

Answer & Explanation Answer: C) Niece

Explanation:

E is the daughter of C and D is the son of C. So, F, who is the maternal uncle of D, is also the maternal uncle of E.

Thus, E is the niece of F.

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Q:

A is the son of B, C. B's sister has a son D and a daughter E. F is the maternal uncle of D. How is A related to D ?

A) Cousin	B) Uncle
C) Nephew	D) Brother

Answer & Explanation Answer: A) Cousin

Explanation:

A is the son of B and D is the son of the sister of B. So, A is the cousin of D.

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Q:

Q's mother is sister of P and daughter of M. S is daughter of P and sister of T. How is M related to T?

A) Father	B) Grandmother
C) Grandfather	D) Grandfather or Grandmother

Answer & Explanation Answer: D) Grandfather or Grandmother

Explanation:

S is daughter of P and sister of T. So, T is daughter of P.

Now, the sister of P is the daughter of M. This means that P is also the daughter of M. Clearly, T is the granddaughter of M.

So, M is the Grandfather or Grandmother of T.

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Filed Under: Blood Relations

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