Q:

There are two numbers such that the sum of twice the first number and thrice the second number is 300 and the sum of thrice the first number and twice the second number is 265. Which is the largest number ?

A) 24	B) 39
C) 85	D) 74

Answer & Explanation Answer: D) 74

Explanation:

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Filed Under: Quantitative Aptitude - Arithmetic Ability
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Q:

Who among the following was a Brahmavadini who composed some hymns of the Vedas?

A) Gargi	B) Lopamudra
C) Savitri	D) Leelavati

Answer & Explanation Answer: B) Lopamudra

Explanation:

Lopamudra was a Brahmavadini who composed some hymns of the Vedas.

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Q:

The Fourth Buddhist Council was convened during the regime of king

A) Ashoka	B) Ajatasatru
C) Kanishka	D) Mahapadmananda

Answer & Explanation Answer: C) Kanishka

Explanation:

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Filed Under: Indian History

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Q:

Which reaction occurs spontaneously?

A) Cl2(g) + 2NaF(aq)--> F2(g) + 2NaCl(aq)	B) I2(s) + 2NaF(aq)--> F2(g) + 2NaI(aq)
C) Cl2(g) + 2NaBr(aq)-->Br2(l) + 2NaCl(aq)	D) I2(s) + 2NaBr(aq)--> Br2(l) + 2NaI(aq)

Answer & Explanation Answer: C) Cl2(g) + 2NaBr(aq)-->Br2(l) + 2NaCl(aq)

Explanation:

In this chemical reaction chlorine change oxidation number from 0 to -1 (reduction) and bromine change oxidation number from -1 to 0 (oxidation).

Chlorine is stronger oxidation reagent than bromine.

In VIIA or group 17 (halogen elements) there are six elements: fluorine (F), chlorine (Cl), bromine (Br), iodine (I), astatine (At) and tennessin(Ts).

They have high electronegativity because they have seven valence electrons in their outermost energy level, so they can gain an electron to have the octet rule.

Going down in the group, element are weaker oxidazing reagent and less reactive.

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Filed Under: Chemistry
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Q:

Yeast used in making bread is a

A) Fungus	B) Bacteria
C) Seed	D) Plant

Answer & Explanation Answer: A) Fungus

Explanation:

Yeast used in making bread is a Fungus.

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Filed Under: Biology
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Q:

The command to eliminate a table from a database is

A) REMOVE TABLE CUSTOMER;	B) UPDATE TABLE CUSTOMER;
C) DELETE TABLE CUSTOMER;	D) DROP TABLE CUSTOMER;

Answer & Explanation Answer: D) DROP TABLE CUSTOMER;

Explanation:

The SQL DROP TABLE statement is used to remove a table definition and all data, indexes,...

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Filed Under: Database
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Q:

Which state government has launched 'People First' mobile application for grievance redressal ?

A) Uttar Pradesh	B) Maharashtra
C) Gujarat	D) Andhra Pradesh

Answer & Explanation Answer: D) Andhra Pradesh

Explanation:

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Filed Under: Indian Politics
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15 5269

Q:

How many member countries did the UNO have on its formation in 1945 ?

A) 45	B) 51
C) 48	D) 54

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