Q:

An atom has 7 electrons in its M - shell and contains 18 neutrons in its nucleus. What is its mass number

A) 25	B) 27
C) 35	D) 43

Answer & Explanation Answer: C) 35

Explanation:

According to Bohr model, Each shell can occupy 2 $n^{2}$ electrons in their orbits where n=1,2,3.. for K,L,M,..

The atom has 2 electrons in k, 8 electrons in L and 7 electrons in M = 2 + 8 + 7 = 17

And given that its nucleus has 18 neutrons

=> its mass number = number of (electrons + neutrons ) = 17 + 18 = 35

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Filed Under: Chemistry

45 9695

Q:

Which of the statements given below are not correct?

1. The author of 'India 2020: A Vision for the New Millennium' is Shashi Tharoor.
2. The author of 'The Great Indian Novel' is A.P.J. Abdul Kalam.
3. The author of 'My Country My Life' is I.K Gujral.

A) 1 and 2	B) 2 and 3
C) 1 and 3	D) 1, 2 and 3

Answer & Explanation Answer: D) 1, 2 and 3

Explanation:

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Filed Under: Books and Authors
Exam Prep: Bank Exams

0 9690

Q:

Match the characteristics with their market structure:

(a) MR = MP
(b) Elasticity of demand depends on pricing policies of rivals

A) (a) Pure Monopoly, (b) Monopolistic competition	B) (a) Pure competition, (b) Oligopoly
C) (a) Pure competition, (b) Pure Monopoly	D) (a) Pure Monopoly, (b) Oligopoly

Answer & Explanation Answer: B) (a) Pure competition, (b) Oligopoly

Explanation:

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Filed Under: Indian Economy
Exam Prep: Bank Exams

0 9688

Q:

What is the theme of 2017 World Telecommunication and Information Society Day (WTISD) ?

A) Entrepreneurship for social impact	B) Reduce digital divide
C) Promote digital education for social welfare	D) Big data for big impact

Answer & Explanation Answer: D) Big data for big impact

Explanation:

The World Telecommunication and Information Society Day (WTISD) is observed every year on May 17 to mark the anniversary of the signing of the first International Telegraph Convention (ITC) and the creation of the International Telecommunication Union (ITU). The purpose of the day is to help raise awareness of the possibilities that the use of the Internet and other information and communication technologies (ICT) can bring to societies and economies, as well as of ways to bridge the digital divide. The 2017 theme “Big Data for Big Impact” focuses on the power of Big Data for development and aims to explore how to turn imperfect, complex, often unstructured data into actionable information in a development context.

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Filed Under: Important Days and Years
Exam Prep: AIEEE , Bank Exams , CAT
Job Role: Analyst , Bank Clerk , IT Trainer

8 9685

Q:

Which is the only woman to have won the three Wimbledon titles in a row

A) Mari Pearey	B) Miton
C) Sang Chan	D) Steffi Graff

Answer & Explanation Answer: D) Steffi Graff

Explanation:

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Filed Under: Sports

9 9682

Q:

Choose the word which is nearly opposite in meaning to the given word:-

Refractory

A) Refreshing	B) Burdensome
C) Privileged	D) Manageable

Answer & Explanation Answer: D) Manageable

Explanation:

Refractorymeans unmanageablewhich is nearly opposite to manageable.Refreshing means revivifyingBurdensome means troublesomePrivileged means advantage

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Filed Under: English
Exam Prep: Bank Exams

0 9681

Q:

What should come at the place of question mark (?) in the following question?

$4 \frac{3}{7} + 2 \frac{1}{6} - 4 \frac{1}{3} = ? - 2 \frac{3}{4}$

A) 2.79	B) 5.01
C) 4.29	D) 6.36

Answer & Explanation Answer: B) 5.01

Explanation:

? = 4 + 85/4

? = 5.01

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

0 9673

Q:

Select the antonym of

repatriation

A) abolition	B) animation
C) cure	D) invigoration

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