Q:

The Court language of the Mughals was

A) Hindiv	B) Arabic
C) Persian	D) Urdu

Answer & Explanation Answer: C) Persian

Explanation:

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Q:

A person who used his or her expertise to gain access to other people's computers to get information illegally or do damage is a ________

A) spammer	B) hacker
C) instant messenger	D) programmer

Answer & Explanation Answer: B) hacker

Explanation:

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Q:

Ayurveda Day celebrated globally on

A) November 13	B) November 12
C) November 14	D) November 15

Answer & Explanation Answer: A) November 13

Explanation:

Ayurveda Day is annually celebrated across the globe on the day of Dhanwantri Jayanti, as a global initiative to promote and preserve the health science of Ayurveda.

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Exam Prep: Bank Exams

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Q:

Shyam Walked 6 metres facing towards East, then took a right turn and walked a distance of 9 metres.He then took a left turn and walked a distance of a metres. How far is he from the starting point?

A) 15 metres	B) 21 metres
C) 18 metres	D) Cannot be determined

Answer & Explanation Answer: A) 15 metres

Explanation:

983115133311311553600957.png image

As clear from the diagram, $A D^{2} = (12^{2}) + (9^{2}) = (15^{2})$

So, AD = 15

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18 8773

Q:

Which solution has the highest pH?

A) 50.0 mL 0.0500 M calcium hydroxide, Ca(OH)2 (aq)	B) 50.0 mL 0.0500 M sodium hydroxide, NaOH (aq)
C) 50.0 mL 0.0500 M nitric acid, HNO3 (aq)	D) 50.0 mL 0.0500 M nitrous acid, HNO2 (aq)

Answer & Explanation Answer: A) 50.0 mL 0.0500 M calcium hydroxide, Ca(OH)2 (aq)

Explanation:

50.0 mL 0.0500 M calcium hydroxide, Ca(OH)2 (aq) has the highest pH value.

Sodium hydroxide and Calcium hydroxide are strong bases so they completely ionize in solution. Because they ionize at the same rate, and Calcium hydroxide has the higher pH calculated, then Calcium hydroxide, in fact, has the highest pH.

Nitric acid is a strong acid, so it completely ionizes in water. Whilst nitrous acid is a weak acid. Therefore, the nitric acid solution has the LOWEST ph.

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Q:

The main element used in the vulcanisation of rubber is

A) nickel	B) copper
C) sulphur	D) graphite

Answer & Explanation Answer: C) sulphur

Explanation:

In vulcanization, cruder rubber is heated with 3% sulphur at about for $120^{0} C$ for 2-3 hours.

Vulcanised rubber is a vastly improved product.

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Filed Under: Chemistry
Exam Prep: AIEEE , GATE

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Q:

Solve the Riddle?

bana1522056999.jpg image

A) 79 hrs	B) 72 hrs
C) 52 hrs	D) 18 hrs

Answer & Explanation Answer: D) 18 hrs

Explanation:

From the given data,

18 snakes can eat 18 bananas in 18 hrs.

=> 1 snake can eat 1 banana in 18 hrs

=> 79 snakes can eat 79 bananas in 18 hrs.

Hence, 18 hrs.

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Filed Under: Math Puzzles
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21 8768

Q:

Which type of Stem modification is seen in banana ?

A) Rhizome	B) Stem tuber
C) Corn	D) Bulb

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