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Q:

The H.C.F. of two numbers is 23 and the other two factors of their L.C.M. are 13 and 14. The larger of the two numbers is:

A) 276	B) 299
C) 322	D) 345

Answer & Explanation Answer: C) 322

Explanation:

Clearly, the numbers are (23 x 13) and (23 x 14).

Larger number = (23 x 14) = 322.

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Filed Under: Quantitative Aptitude - Arithmetic Ability

Q:

Choose the set of figures which follows the given rule.

Rule: Closed figures losing their sides and open figures gaining their sides.

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

Answer & Explanation Answer: C) 3

Explanation:

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Filed Under: Rule Detection

Q:

A study of native born residents in Newland found that two-thirds of the children developed considerable levels of nearsightedness after starting school, while their illiterate parents and grandparents, who had no opportunity for formal schooling, showed no signs of this disability.

If the above statements are true, which of the following conclusions is most strongly supported by them?

A) Only people who have the opportunity for formal ...........schooling develop nearsightedness.	B) The nearsightedness in the children is caused by the ...........visual stress required by reading and other class work.
C) Both A and B	D) None

Answer & Explanation Answer: B) The nearsightedness in the children is caused by the ...........visual stress required by reading and other class work.

Explanation:

Acording to the above stated passage only the argument " The nearsightedness in the children is caused by the ...........visual stress required by reading and other class work." will be true

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Filed Under: Deriving Conclusions From Passages
Exam Prep: GRE

Q:

Is it wrong for doctors to lie about their patients' illnesses? Aren't doctors just like any other people we hire to do a job for us? Surely, we would not tolerate not being told the truth about the condition of our automobile from the mechanic we hired to fix it, or the condition of our roof from the carpenter we employed to repair it. Just as these workers would be guilty of violating their good faith contracts with us if they were to do this, doctors who lie to their patients about their illnesses violate these contracts as well, and this is clearly wrong.

The conclusion of the argument is best expressed by which of the following?

A) Doctors are just hired workers like mechanics and ...........carpenters.	B) It is wrong for doctors to lie about their patients' ...........illnesses.
C) Both A and B	D) None

Answer & Explanation Answer: B) It is wrong for doctors to lie about their patients' ...........illnesses.

Explanation:

It is wrong for doctors to lie about their patients' ...........illnesses. From the above statements this will be true

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Filed Under: Deriving Conclusions From Passages
Exam Prep: GRE

Q:

A triangle and a parallelogram are constructed on the same base such that their areas are equal. If the altitude of the parallelogram is 100 m , then the altitude of the triangle is

A) 200m	B) 300m
C) 400m	D) 100m

Answer & Explanation Answer: A) 200m

Explanation:

Let the triangle and parallelogram have common base b,

let the Altitude of triangle is h1 and of parallelogram is h2(which is equal to 100 m), then

Area of triangle = $\frac{1}{2} \times b \times h 1$

Area of rectangle = b*h2

As per Given,

$\frac{1}{2} * b * h 1 = b * h 2$

$\frac{1}{2} * b * h 1 = b * 100$

h1=200

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

Q:

Branch of biology in which we study about relationship between living and their environment

A) Physiology	B) Genetics
C) Ecology	D) Geology

Answer & Explanation Answer: C) Ecology

Explanation:

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Filed Under: Biology

Q:

There is a cylinder circumscribing the hemisphere such that their bases are common. Find the ratio of their volumes

A) 3/2	B) 5/2
C) 7/2	D) 9/2

Answer & Explanation Answer: A) 3/2

Explanation:

R =OA = OB = Radius of hemisphere.
= Radius of cylinder ABCD.
Height of the cylinder = BC = radius

Volume of cylinder/Volume of hemisphere = $\frac{{πr}^{3}}{\frac{2}{3} {πr}^{3}}$

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Filed Under: Volume and Surface Area
Exam Prep: Bank Exams
Job Role: Bank PO

Q:

Two cylindrical buckets have their diameters in the ratio 3:1 and their heights are as 1: 3. Find the ratio of their volumes.

A) 2:1	B) 3:1
C) 4:1	D) 5:1

Answer & Explanation Answer: B) 3:1

Explanation:

$\frac{v 1}{v 2} = \frac{{(r_{1})}^{2} \times h 1}{{(r_{2})}^{2} \times h 2}$

d1 = $2 r_{1}$ and d2 = $2 r_{2}$ are diameters

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Filed Under: Volume and Surface Area
Exam Prep: Bank Exams
Job Role: Bank PO

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