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Q:

Oath taken by medical graduates is given by

A) Aristotle	B) Theophrastus
C) Hippocrates	D) Darwin

Answer & Explanation Answer: C) Hippocrates

Explanation:

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Filed Under: Biology

Q:

What part of the volume of a cube is the pyramid whose base is the base of then cube and whose vertex is the center of the cube?

A) 4:1	B) 5:1
C) 6:1	D) 7:1

Answer & Explanation Answer: C) 6:1

Explanation:

Volume of the cube/volume of pyramid= $\frac{a^{3}}{(\frac{1}{3} a^{2} \times \frac{a}{2})}$

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

Q:

A dress on sale in a shop is marked at $D. During the discount sale its price is reduced by 15%. Staff are allowed a further 10% reduction on the discounted price. If a staff member buys the dress what will she have to pay in terms of D ?

A) 0.75D	B) 0.76D
C) 0.765D	D) None of the above

Answer & Explanation Answer: C) 0.765D

Explanation:

If the price is reduced by 15 %, then the new price will be 0.85D

If this new price is further reduced by 10%, the discounted price will be 0.9 x 0.85D = 0.765D

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Filed Under: Percentage
Exam Prep: GRE

Q:

Branch of biology in which we study about cultivation of flowering plant

A) Phenology	B) Floriculture
C) Agronomy	D) Botany

Answer & Explanation Answer: B) Floriculture

Explanation:

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Filed Under: Biology

Q:

What is the ratio between the volumes of a cylinder and cone of the same height and of the same diameter

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

Answer & Explanation Answer: B) 3:1

Explanation:

Volume of cylinder / Volume of cone = 3/1

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

Q:

The volume of a rectangular solid is to be increased by 50% without altering its base. To what extent the height of the solid must be changed.

A) 50%	B) 40%
C) 30%	D) 20%

Answer & Explanation Answer: A) 50%

Explanation:

Let l, b the sides of the base, so that the area of the base = lb
remains constant.
Let ‘h’ be the height of the solid.
Volume of the solid, V = l× b× h.
Since the volume is to be increased by 50%

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

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:

Silviculture is the branch of botany in which we study about

A) Culture of algae	B) Development of forest
C) Culture of fungi	D) Silciphida plant

Answer & Explanation Answer: B) Development of forest

Explanation:

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Filed Under: Biology

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