Exams Questions and Answers

Q:

D and E are points on side AB and AC of ΔABC. DE is parallel to BC. If AD:DB = 2:5 and area of ΔABC is 98 cm sq, what is the area (in sq cm) of quadrilateral BDEC?

A) 90	B) 98
C) 94	D) 86

Answer & Explanation Answer: A) 90

Explanation:

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Filed Under: Area
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Q:

A cube is inscribed in a sphere. A right circular cylinder is within the cube touching all the vertical faces. A right circular once is inside the cylinder. Their heights are same and the diameter of the cone is equal to that of the cylinder.

What is the ratio of the volume of the sphere to that of cone?

A) 6√3:1	B) 7 : 2
C) 3√3:1	D) 5√3:1

Answer & Explanation Answer: A) 6√3:1

Explanation:

The top view of the given assembly will look like the figure above

Outermost is the sphere. Inside that there is a cube and within that there is a cone and cylinder with same radius.

Here side of cube = a

Diameter of Sphere = body diagnol = √3 a

Radius of sphere = √3 a/2 =r1

Height of Cylinder = Height of cone = side of cube = a =h

Radius of cylinder = Radius of cone = side of cube/2 = a/2 =r2(as shown in the figure)

Volume of sphere/volume of cone =

\frac{\frac{4}{3} {πr}_{1}^{3}}{\frac{1}{3} {πr}_{2}^{2} h}

= 6√3:1

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Filed Under: Volume and Surface Area
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Q:

In the following question, out of the four alternatives, select the alternative which is the best substitute of the words/sentence.
Of a disease or poison extremely severe or harmful in its effects

A) Innocuous	B) Virulent
C) Naive	D) Inoffensive

Answer & Explanation Answer: B) Virulent

Explanation:

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Filed Under: English
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Q:

Which of the following statements about the provisions of the Constitution of India with regard to the State of Jammu and Kashmir is not correct?

A) The Directive Principles of State Policy do not apply	B) Article 35A gives some special rights to the permanent residents of the State with regard to employment, settlement and property.
C) Article 19(1) (f) has been omitted	D) Article 368 is not applicable for the amendment of Constitution of the State.

Answer & Explanation Answer: C) Article 19(1) (f) has been omitted

Explanation:

Part IV (dealing with Directive Principles of State Policy) and Part IVA(dealing with Fundamental Duties) are not applicable to the state.Articles 19(1)(f) and 31(2) of the Constitution are still applicable to Jammu and Kashmir.An amendment made to the Constitution of India does not apply to thestate unless it is extended by a presidential order.Article 35A of theIndian Constitution is an article that empowers the Jammu and Kashmir state's legislature to define “permanent residents” of the state and provide special rights and privileges to those permanent residents

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Filed Under: Indian Politics
Exam Prep: Bank Exams

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Q:

In which one of the following States is Loktak Lake situated?

A) Sikkim	B) Himachal Pradesh
C) Manipur	D) Meghalaya

Answer & Explanation Answer: C) Manipur

Explanation:

Loktak Lake:the largest freshwater (sweet) lake in North -East India, also called the only Floating lake in the world due to the floating phumdis (heterogeneous mass of vegetation, soil, and organic matters at various stages of decomposition) on it, is located near Moirang in Manipur state, India. The etymology of Loktak is Lok = "stream" and tak = "the end"

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Filed Under: Indian Geography
Exam Prep: Bank Exams

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Q:

When a mirror is placed on the line AB, then which is the right figure?

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

Answer & Explanation Answer: A) 1

Explanation:

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Filed Under: Image Analysis
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Q:

Read each sentence to find out whether there is any error in any underlined part and indicate your response in the Answer Sheet against the corresponding letter i.e., (a) or (b) or (c). If you find no error, your response should be indicated as (d).

A) Although we reached his house on time	B) he was left
C) for the airport.	D) No error

Answer & Explanation Answer: B) he was left

Explanation:

The error is in second part. In the given sentence two events occur one after the other. ‘He left’ before ‘we reached’. So, the event that was completed before the occurrence of the next event shall be expressed in past perfect tense. Therefore, the correct form of verb will be “had left”.

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Filed Under: English
Exam Prep: Bank Exams

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Q:

Which of the following gas contributes the maximum to the phenomena of global warming?

A) Methane	B) Chlorofluorocarbon (CFC)
C) Nitrogen dioxide	D) Carbon dioxide

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