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Q:

A is father of C and D is son of B. E is brother of A. If C is sister of D, how is B related to E ?

A) Daughter	B) Brother
C) Husband	D) Sister-in-law

Answer & Explanation Answer: D) Sister-in-law

Explanation:

A is father of C and C is sister of D. So, A is father of D.

But D is son of B. So, B is the mother of D and wife of K Also. E is the brother of A So, B is the sister-in-law of E.

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Filed Under: Blood Relations

Q:

Lakshmi and Meena are Rohan's wifes. Shalini is Meena's step-daughter. How is Lakshmi related to Shalini ?

A) Sister	B) Mother
C) Step-mother	D) Mother-in-law

Answer & Explanation Answer: B) Mother

Explanation:

Shalini is Meena's step-daughter means Shalini is the daughter of the other wife of Rohan.

So, Shalini is the daughter of Lakshmi or Lakshmi is the mother of Shalini

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Filed Under: Blood Relations

Q:

If the city bus which runs between Ramnagar and Sant colony is extended to vasant vihar,it will be convenient . Appeal of residents of ramnagar to city bus company

Assumptions:

1. The convenience of city bus company is much more important than the needs of consumers

2. The city bus company is indifferent to the aspirations of the residents of Sant colony

A) Only 1 is true	B) Only 2 is true
C) Neither 1 nor 2 is true	D) Both 1 and 2 follow

Answer & Explanation Answer: C) Neither 1 nor 2 is true

Explanation:

Clearly the city bus company is intended to provide bus services according to the needs as per local residents and not as per their own convenience.So 1 is not true.In the same way 2 is not true

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Filed Under: Statement and Assumptions
Exam Prep: GRE

Q:

"If it does not rain throughout this month ,most farmers would be in trouble this year"

Assumptions:

1. Timely rain is essential for farming

2. Most farmers are generally dependent on rains

A) Only 1 is true	B) Only 2 is true
C) Either 1 or 2 is true	D) Both 1 and 2 follow

Answer & Explanation Answer: D) Both 1 and 2 follow

Explanation:

It is mentioned that farmers will be in troble without rain .This means that timely rain is essential.Also,it shows that farmers are dependent on rain.So,both 1 and 2 are true

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Filed Under: Statement and Assumptions
Exam Prep: GRE

Q:

The perimeters of two squares are 40cm and 32 cm. Find the perimeter of a third square whose area is equal to the difference of the areas of the two squares.

A) 12	B) 24
C) 36	D) 48

Answer & Explanation Answer: B) 24

Explanation:

side of first square = 40/4 =10cm

side of second square = 32/4 = 8cm

area of third squre = 10² - 8² = 36 sq cm

side of third square = $\sqrt{36}$ = 6 cm

required perimeter = 6*4 = 24cm

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

Q:

If the diagonal of a rectangle is 17cm long and its perimeter is 46 cm. Find the area of the rectangle.

A) 110	B) 120
C) 130	D) 140

Answer & Explanation Answer: B) 120

Explanation:

let length = x and breadth = y then

2(x+y) = 46 => x+y = 23

x²+y² = 17² = 289

now (x+y)² = 23²

=> x²+y²+2xy= 529

=> 289+ 2xy = 529

=> xy = 120

area = xy = 120 sq.cm

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

Q:

If the radius of a circle is decreased by 50% , find the percentage decrease in its area.

A) 75%	B) 65%
C) 35%	D) 25%

Answer & Explanation Answer: A) 75%

Explanation:

let original radius = r and new radius = (50/100) r = r/2

original area = ${πr}^{2}$ and new area = $π {(r / 2)}^{2}$

decrease in area = $3 {πr}^{2} / 4$ * $\frac{1}{{πr}^{2}}$ *100 = 75%

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

Q:

If each side of a square is increased by 25%, find the percentage change in its area?

A) 65.25	B) 56.25
C) 65	D) 56

Answer & Explanation Answer: B) 56.25

Explanation:

let each side of the square be a , then area = $a^{2}$

As given that The side is increased by 25%, then

New side = 125a/100 = 5a/4

New area = ${(\frac{5 a}{4})}^{2}$

Increased area= $\frac{25 a^{2}}{16} - a^{2}$

Increase %= $\frac{[9 a^{2} / 16]}{a^{2}} * 100$ % = 56.25%

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

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