Q:

What is the name of the virus that fool a user into downloading and executing them by pretending to be useful applications ?

A) Trojan horses	B) Keylogger
C) Worm	D) File virus

Answer & Explanation Answer: A) Trojan horses

Explanation:

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Exam Prep: Bank Exams , CAT
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32 11071

Q:

Which city is known as "City of Blood" in India ?

A) Jaisalmar	B) Jodhpur
C) Yavatmal	D) Tezpur

Answer & Explanation Answer: D) Tezpur

Explanation:

Tezpur is the city in the state of Assam is known as City of Blood.

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29 11066

Q:

A potentiometer wire is 100 cm long and a constant potential difference is maintained across it. Two cells are connected in series first to support one another and then in opposite direction. The balance points are obtained at 50 cm and 10 cm from the positive end of the wire in the two cases. The ratio of the emf's is :

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

Answer & Explanation Answer: D) 3:2

Explanation:

In series : E1 + E2 = K(50)

In parallel : E1 - E2 = K(10)

E1 + E2 / E1 - E2 = 5/1

=> E1/E2 = 3/2

The emf's are in the ratio of 3:2.

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Filed Under: Physics
Exam Prep: AIEEE

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Q:

Which subatomic particle has a negative charge?

A) Neutron	B) Proton
C) Ion	D) Electron

Answer & Explanation Answer: D) Electron

Explanation:

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Q:

The Vikramshila Mahavihara, a great centre of education, was founded by

A) Baladitya	B) Harsha
C) Gopala	D) Dharmapala

Answer & Explanation Answer: D) Dharmapala

Explanation:

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Filed Under: Indian History

12 11063

Q:

Improve the bracketed part of the sentence.

Life in (more) thriving towns is intimately connected with the local trades and industries.

A) much	B) much more
C) most	D) No improvement

Answer & Explanation Answer: C) most

Explanation:

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Filed Under: English
Exam Prep: Bank Exams

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Q:

The metal which reacts most violently with with cold water is

A) calcium	B) sodium
C) magnesium	D) potassium

Answer & Explanation Answer: D) potassium

Explanation:

Potassium reacts violently with water liberating hydrogen. The reaction is so violent that the liberated hydrogen catches fire.

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Filed Under: Chemistry

47 11057

Q:

The speed of sound in air at $0^{°}$ is

A) 331 m/s	B) 330 m/s
C) 330 ms	D) 331 ms

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