Q:

A disk and a sphere of same radius but different masses roll on two inclined planes of the same altitude and length. Which one of the two objects gets to the bottom of the plane first ?

A) Depends on their masses	B) Sphere
C) Disk	D) Both reach at the same time

Answer & Explanation Answer: B) Sphere

Explanation:

Time does not depend on mass, else

$T \infty \sqrt{(1 + \frac{k^{2}}{R^{2}})}$

$\frac{k^{2}}{R^{2}}$ => is least for 'sphere' and

hence least time is taken by sphere.

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Filed Under: Physics
Exam Prep: AIEEE

18 7205

Q:

The ruler of medieval India credited with the construction of the Grand Trunk Road is

A) Krishnadeva Raya	B) Babar
C) Sher Shah Suri	D) Jehangir

Answer & Explanation Answer: C) Sher Shah Suri

Explanation:

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Filed Under: Indian History

6 7205

Q:

Select the synonym of

proscriptive

A) squalid	B) exiguous
C) excessive	D) thrifty

Answer & Explanation Answer: C) excessive

Explanation:

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Filed Under: English
Exam Prep: Bank Exams

0 7200

Q:

The main goal of Zionism was to

A) Establish a Jewish homeland	B) Assimilate Jews into other cultures
C) Fight against anti-Semitism	D) Increase Arab residents in Palestine

Answer & Explanation Answer: A) Establish a Jewish homeland

Explanation:

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Filed Under: World History
Exam Prep: Bank Exams

2 7199

Q:

India has donated a 'Digital cobalt therapy machine' developed by BARC, to which country?

A) Madagaskar	B) Mali
C) Malaysia	D) Maldives

Answer & Explanation Answer: A) Madagaskar

Explanation:

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Filed Under: General Awareness
Exam Prep: Bank Exams

0 7197

Q:

What is the gram formula mass of ${Li}_{2} {SO}_{4}$ ?

A) 101.2487	B) 109.9446
C) 111.2687	D) 106.5871

Answer & Explanation Answer: B) 109.9446

Explanation:

The term gram formula mass is synonymous with molecular mass. So, to get this, we must add molar mass of all the elements in this compound.

Given compound is Lithium Sulphate - ${Li}_{2} {SO}_{4}$

Elemental calculation ::

Li - Lithium - 6.941 - 2 - 13.88200 %
S - Sulfur - 32.065 - 1 - 32.065 %
O - Oxygen - 15.9994 - 4 - 63.9976 %

Now, total = 12.6264 + 29.1647 + 58.2090 = 109.9446

Hence, the gram formula mass of Li2SO4 = 109.9446.

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Filed Under: Chemistry
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4 7197

Q:

The digital computer was developed primarily in

A) USA	B) UK
C) Russia	D) Japan

Answer & Explanation Answer: A) USA

Explanation:

A digital computer accepts, processes and outputs data in digitized forms. The digital computer was developed primarily in Unites States of America.

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Filed Under: Computer
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20 7196

Q:

The Constituent Assembly of India started functioning from

A) 9th December,1946	B) 1st January, 1947
C) 26th January, 1947	D) 15th August, 1947

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