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Latest Popular Rated
Q:

(10.3 * 10.3 * 10.3 + 1)/(10.3 * 10.3 - 10.3 + 1) is :

A) 11.3 B) 12.3
C) 13.3 D) 14.3
 
Answer & Explanation Answer: A) 11.3

Explanation:

a^3 + b^3 = (a+ b) * (a^2 + b^2 - ab)

[ (10.3)^3 + (1)^3 ] / [(10.3)^2  + (1)^2 - (1 * 10.3)]

 => a + b = 10.3 + 1 = 11.3 

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Filed Under: Decimal Fractions

6 6313
Q:

The United Nation declared 2006 as the International year of

A) Rice B) World Population
C) Communication D) Elderly Persons
 
Answer & Explanation Answer: A) Rice

Explanation:
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Filed Under: Important Days and Years

6 5034
Q:

Number of basic SI unit is

A) 4 B) 7
C) 6 D) 5
 
Answer & Explanation Answer: B) 7

Explanation:
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Filed Under: Physics

6 4746
Q:

The most abundant metal in earth crust is

A) Iron B) magnesium
C) calcium D) aluminium
 
Answer & Explanation Answer: D) aluminium

Explanation:
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Filed Under: Chemistry

6 3972
Q:

The activity of rradioisotope change with

A) temperature B) pressure
C) chemical environment D) None of these
 
Answer & Explanation Answer: D) None of these

Explanation:
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Filed Under: Chemistry

6 4841
Q:

The alpha-particles are

A) high energy electrons B) positively charged hydrogen irons
C) high energy x ray radiations D) double positively charged helium nuclei
 
Answer & Explanation Answer: D) double positively charged helium nuclei

Explanation:
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Filed Under: Chemistry

6 4973
Q:

Formation of anions occurs by

A) loss of neutrons B) gain of protons
C) gain of electrons D) none
 
Answer & Explanation Answer: C) gain of electrons

Explanation:
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Filed Under: Chemistry

6 5300
Q:

India became a member of the United Nations in

A) 1945 B) 1947
C) 1949 D) 1950
 
Answer & Explanation Answer: A) 1945

Explanation:
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Filed Under: World Organisations

6 4529