56: The Palk Bay lies between
(a) Gulf of Kachchh and Gulf of Khambhat
(b) Gulf of Mannar and Bay of Bengal
(c) Lakshadweep and Maldive Islands
(d) Andaman and Nicobar Islands
57: Match List I with List II and select the correct answer by using the codes given below the lists :
List I------------ List II
I. Chittagong Armoury raid----(A) Lala Hardayal
II. Kakori Conspiracy--------(B) Jatin Das
III. Lahore Conspiracy------(C) Surya Sen
IV. Ghadr Party-------------(D) Ram Prasad Bismil
----------(E) Vasudeo Phadke
Codes:
(a) I-C, II-D, III-A, IV-E
(b) I-D, II-C. III-B, IV-E
(c) I-C, II-D, III-B, IV-A
(d) I-B, II-D, III-C, IV-A
58: Consider the following statements :
Coke is one of the materials of the charge added to blast furnace for the production of steel/iron. Its function is to
I. act as a reducing agent.
II. remove silica associated with the iron ore.
III. function as fuel, to supply heat.
IV. act as an oxidizing agent.
Of these statements:
(a) I and II are correct
(b) II and IV are correct
(c) I and III are correct
(d) III and IV are correct
59: In an office, the number of persons who take tea is twice the number of persons who take only coffee. The number of persons who take coffee is twice the number of persons who take coffee is twice the number of persons who take only tea.
Consider the following statements :
1. The sum of the number of persons who take either tea or coffee or both is four times the number of persons who take both coffee and tea.
2. The sum of the number of persons who take only coffee and those who take only tea is twice the number of persons who take both and coffee. Which of the statements given above is/ are correct?
60: Assertions (A) :
A mixture of salt and ice gives temperature below 0°C.
Reason (R) :
The salt raises the freezing point of ice.
In the context of the above two statements, which one of the following is correct?
(a) Both A and R are true and R is the correct explanation of A
(b) Both A and Rare true but R is NOT the correct explanation of A
(c) A is true but R is false
(d) A is false but R is true