Q:

Gaurav ranks eighteenth in a class. What is his rank from the last ? 

I. There are 47 students in the class. 

II. Jatin who ranks 10th in the same class, ranks 38th from the last. 

A) If the data in statement I alone are sufficient to answer the question B) If the data in statement II alone are sufficient answer the question
C) If the data either in I or II alone are sufficient to answer the question; D) If the data even in both the statements together are not sufficient to answer the question
 
Answer & Explanation Answer: C) If the data either in I or II alone are sufficient to answer the question;

Explanation:

To find the rank from other end, we need to know the total number of students in the class. So. I is sufficient. Also: from II, we can conclude that there are (10 + 38- 1 = 47) students in the class.

So. II alone is also sufficient. 

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Filed Under: Data Sufficiency

4 9623
Q:

Biological control is to check growth of 

A) plants B) animals
C) weeds D) one pest by another
 
Answer & Explanation Answer: D) one pest by another

Explanation:

Biological Control: This method is very effective. One pest is destroyed by another organism. For example the aphids are killed by lady beetle. The prickly pear is eradicted by cochineal insect. Here the advantage is, one does not use harmful chemicals which may get into the host plants.

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Filed Under: Biology

4 2102
Q:

AIDS is caused by the organisms which are

A) bacteria B) fungi
C) viruses (HTLV III) D) ProtoZoa
 
Answer & Explanation Answer: C) viruses (HTLV III)

Explanation:

AIDS: The term means Acquired Immunity Deficiency Synodrome. The virus attacks the T cells of the (white corpuscle type) blood and destroys them.

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Filed Under: Biology

4 2706
Q:

Narmada originates from its source situated in the state of

A) Maharashtra B) Uttar Pradesh
C) Madhya Pradesh D) Andhra Pradesh
 
Answer & Explanation Answer: C) Madhya Pradesh

Explanation:

Narmada rises near Amarkantak

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Filed Under: Indian Geography

4 5040
Q:

Which of the following nations has said that it will block Strait of Hormuz if prevented from sale of oil and petroleum to other countries ?

A) Iraq B) Kuwait
C) Saudi Arabia D) Iran
 
Answer & Explanation Answer: D) Iran

Explanation:
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Filed Under: General Awareness

4 3490
Q:

How is Rakesh related to Keshav ? 

I. Tapan's wife Nisha is paternal aunt of Keshav. 

II.Rakesh is the brother of a friend of Nisha. 

A) If the data in statement I alone are sufficient to answer the question B) If the data in statement II alone are sufficient answer the question
C) If the data either in I or II alone are sufficient to answer the question; D) If the data even in both the statements together are not sufficient to answer the question
 
Answer & Explanation Answer: D) If the data even in both the statements together are not sufficient to answer the question

Explanation:

Clearly, both the statements together are not sufficient to answer the question. 

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Filed Under: Data Sufficiency

4 10538
Q:

The headquarters of International Atomic Energy Agency is located in

A) London B) Vienna
C) Paraguay D) Washington
 
Answer & Explanation Answer: B) Vienna

Explanation:

It is located in Vienna

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Filed Under: World Organisations

4 5185
Q:

Which is the Lightest of all the metals?

A) Hydrogen B) Lithium
C) Sodium D) Pottasium
 
Answer & Explanation Answer: B) Lithium

Explanation:

Lithium is the lightest of all the metals due to its low atomic number among meetals

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Filed Under: Chemistry

4 3488