Their Search

Q:

I. A, B, C, D, E and F are six members of a family.

II. One couple has parents and their children in the family.

III. A is the son of C and E is the daughter of A.

IV. D is the daughter of F who is the mother of E.

How many female members are there in the family ?

A) 2	B) 3
C) 4	D) 5

Answer & Explanation Answer: C) 4

Explanation:

E is the daughter of A and F is the mother of E So, A is the father of E and hence the husband of F. Now.

D is the daughter of F So. D and E are the daughters of A and F Also. A is the son of C.

Now, only B remains Thus. B and C are the parents of A.

Clearly, the females in the family are : either B or C, F, D and E.

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Filed Under: Blood Relations

Q:

In Bombay,railway trains are indespenible for people in the subrubs to reach their places of work on time

Assumptions:

1. Railway trains are the only mode of transport available in the subrubs of Bombay

2. Only railway trains run punctually

A) Only 1 is true	B) Only 2 is true
C) Either 1 or 2 is true	D) Neither 1 nor 2 is true

Answer & Explanation Answer: B) Only 2 is true

Explanation:

The railway trains are indespinsible for people to reach the place on time does not mean that there are no other means of transport but shows that trains alone run on time.So, 1 is not true

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Filed Under: Statement and Assumptions
Exam Prep: GRE

Q:

The diagonals of two squares are in the ratio of 2:5. Find the ratio of their areas.

A) 2:25	B) 3:25
C) 4:25	D) 6:25

Answer & Explanation Answer: C) 4:25

Explanation:

let the diagonals of the squares be 2x and 5x respectively

ratio of their areas = $\frac{1}{2} * {(2 x)}^{2} : \frac{1}{2} * {(5 x)}^{2}$ = 4:25

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Filed Under: Area
Exam Prep: Bank Exams
Job Role: Bank PO

Q:

In two triangles, the ratio of the areas is 4 : 3 and the ratio of their heights is 3 : 4. Find the ratio of their bases.

A) 13:9	B) 16:9
C) 15:9	D) 14:9

Answer & Explanation Answer: B) 16:9

Explanation:

Let the bases of the two triangles be x and y and their heights be 3h and 4h respectively.
Then, $\frac{\frac{1}{2} \times x \times 3 h}{\frac{1}{2} \times y \times 4 h} = \frac{4}{3} \Rightarrow \frac{x}{y} = \frac{4}{3} \times \frac{4}{3} = \frac{16}{9}$

Required ratio = 16 : 9.

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Filed Under: Area
Exam Prep: Bank Exams
Job Role: Bank PO

Q:

The diagonals of two squares are in the ratio of 2 : 5. Find the ratio of their areas.

A) 4:25	B) 3:25
C) 3:15	D) 5:25

Answer & Explanation Answer: A) 4:25

Explanation:

Let the diagonals of the squares be 2x and 5x respectively.
Ratio of their areas = $\frac{1}{2} * {(2 x)}^{2} : \frac{1}{2} * {(5 x)}^{2} = 4 : 25$

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Filed Under: Area
Exam Prep: Bank Exams
Job Role: Bank PO

Q:

Session_End: occurs when the users stop requesting pages and their session times out.

A) TRUE

B) FALSE

Answer & Explanation Answer: A) TRUE

Explanation:

True.It occurs when the user stops requsting pages and session time is out

Workspace

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Subject: .NET
Job Role: Software Architect

Q:

Two cubes have their volumes in the ratio 1 : 27. Find the ratio of their surface areas.

A) 2:9	B) 3:9
C) 1:9	D) 4:9

Answer & Explanation Answer: C) 1:9

Explanation:

Let their edges be a and b. Then,

a3/b3 = 1/27 (or) (a/b)3 = (1/3)3 (or) (a/b) = (1/3).

\Ratio of their surface area = 6a2/6b2 = a2/b2 = (a/b)2 = 1/9, i.e. 1:9.

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Filed Under: Quantitative Aptitude - Arithmetic Ability

Q:

I. A. B, C. D, E and F are six members of a family.

II. One couple has parents and their children in the family.

III. A is the son of C and E is the daughter of A.

IV. D is the daughter of F who is the mother of E.

Which of the following pairs is the parents of the couple ?

A) AB	B) BC
C) AF	D) CF

Answer & Explanation Answer: B) BC

Explanation:

E is the daughter of A and F is the mother of E So, A is the father of E and hence the husband of F. Now,

D is the daughter of F So. D and E are the daughters of A and F Also. A is the son of C.

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