Q:

The value of $\cos^{2} 20 ° + \cos^{2} 70 °$ is

A) √2	B) 2
C) 1	D) 1/√2

Answer & Explanation Answer: C) 1

Explanation:

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Filed Under: Quantitative Aptitude - Arithmetic Ability

0 1341

Q:

A solid sphere of radius 6 cm is melted and re-casted into a hollow cylinder of uniform thickness. If the external radius of the base of the cylinder is 5 cm and its height is 32 cm, find the uniform thickness of the cylinder ?

A) 3 cm	B) 1.5 cm
C) 1 cm	D) 2.5 cm

Answer & Explanation Answer: C) 1 cm

Explanation:

Let, inner radius of cylinder be ‘x’ cm.
4/3 π(6)3 = π × 32 (52 − x2)

or, (4 × 6 × 6 × 6) / (3 × 32) = 25 − x2 or, x2 = 25 − 9
or, x = 4 cm
Hence, thickness = 5 – 4 = 1 cm.

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Filed Under: Quantitative Aptitude - Arithmetic Ability
Exam Prep: Bank Exams , GATE

0 1341

Q:

In these questions, the relationship between two elements is shown in the statements. These statements are followed by two conclusions.
Statement:
Z < L < W = N = K < A
Conclusion:
I. A > L
II. Z = A

A) If only conclusion I follow.	B) If only conclusion II follow.
C) If either conclusion I or conclusion II follows.	D) If neither conclusion I nor II follows.

Answer & Explanation Answer: A) If only conclusion I follow.

Explanation:

Z < L < W = N = K < A
For conclusion I -
L < W = N = K < A -
L < K < A
I. A > L (true) - It is clear that A is greater than L.
For conclusion II -
II. Z = A (false) Z = A is not confirm, so this is false.
Hence,only conclusion I follow.

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Filed Under: Verbal Reasoning - Mental Ability
Exam Prep: AIEEE , Bank Exams , GATE

0 1340

Q:

Krishna Sobti is the recipient of the 53rd Jnanpith Award. Which of the following books has not been written by her?

A) Daar Se Bichhudi	B) Mitro Marjani
C) Zindaginama	D) Vishw Mithok Sarit Sagar

Answer & Explanation Answer: D) Vishw Mithok Sarit Sagar

Explanation:

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Filed Under: Honours and Awards
Exam Prep: Bank Exams

0 1340

Q:

The least preferred technique in the disposal of Municipal Solid Waste is

A) Incineration	B) Composting
C) Land filling	D) Bricketting

Answer & Explanation Answer: D) Bricketting

Explanation:

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Filed Under: General Science
Exam Prep: Bank Exams

1 1340

Q:

What is the term of office of the members of Rajva Sabha?

A) 2 years	B) 6 years
C) 7 years	D) 4 years

Answer & Explanation Answer: B) 6 years

Explanation:

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Filed Under: Indian Politics
Exam Prep: Bank Exams , CAT

1 1340

Q:

____________ means that the President of India can refer any matter that is of public importance or that which involves interpretation of Constitution to Supreme Court for advice.

A) Original Jurisdiction	B) Writ Jurisdiction
C) Appellate Jurisdiction	D) Advisory Jurisdiction

Answer & Explanation Answer: D) Advisory Jurisdiction

Explanation:

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Filed Under: Indian Politics
Exam Prep: Bank Exams

0 1340

Q:

On which network was first SMS sent?

A) Airtel	B) Vodafone
C) Verizone	D) Digicel

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