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 9640

Q:

Improve the bracketed part of the sentence.

Let us hurry, or else the bus (will be leaving) the stop by the time we reach there.

A) will leave	B) will have left
C) would have left	D) no improvement

Answer & Explanation Answer: B) will have left

Explanation:

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Filed Under: English
Exam Prep: Bank Exams

1 9634

Q:

Succus Entericus is secreted by

A) Auerbach's plexus	B) Peyers patches.
C) Brunner's glands	D) Crypts of Lieberkuhn

Answer & Explanation Answer: D) Crypts of Lieberkuhn

Explanation:

Succus Entericus is the alkaline secretion produced by glands in the wall of the duodenum, consisting of water, mucoproteins, and hydrogencarbonate ions.

Succus Entericus is secreted by Crypts of Lieberkuhn.

It helps to counteract the highly acidic and proteolytic chyme entering the small intestine from the stomach, and thus protects the duodenum from damage.

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Filed Under: Biology
Exam Prep: AIEEE , Bank Exams , CAT
Job Role: Analyst , Bank Clerk , Bank PO

24 9631

Q:

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

$1637 + 1832 = 45^{2} + {(?)}^{2}$

A) 38	B) 42
C) 46	D) 54

Answer & Explanation Answer: A) 38

Explanation:

3469 = 2025+?x?
? x ?= 3469-2025
? x ?= 1444
? = 38

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

0 9630

Q:

If a new device is attached to a computer, such as printer or scanner, its ______ must be installed before the device can be used

A) buffer	B) driver
C) pager	D) server

Answer & Explanation Answer: B) driver

Explanation:

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Filed Under: Computer
Exam Prep: Bank Exams
Job Role: Bank PO

20 9622

Q:

Rearrange the parts of the sentence in correct order.

To begin with,

P-is not that they are 'unsmart'
Q-the problem with Indian cities
R-but that they are dysfunctional

A) RPQ	B) QRP
C) QPR	D) PRQ

Answer & Explanation Answer: C) QPR

Explanation:

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Filed Under: English
Exam Prep: Bank Exams

0 9616

Q:

Breeding and management of bees is called

A) Pisciculture	B) Sericulture
C) Silviculture	D) Apiculture

Answer & Explanation Answer: D) Apiculture

Explanation:

Breeding and management of bees is called Apiculture.

A beekeeper or apiarist keeps bees in order to collect their honey and other products that the hive produces (including beeswax, propolis, flower pollen, bee pollen, and royal jelly), to pollinate crops, or to produce bees for sale to other beekeepers.

A location where bees are kept is called an 'apiary' or 'bee yard.'

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Filed Under: General Awareness
Exam Prep: AIEEE , Bank Exams , CAT
Job Role: Analyst , Bank Clerk , Bank PO

10 9614

Q:

Veto power is not possessed by

A) U.K	B) U.S.A
C) Rrussia	D) West Germany

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