26: In how many different ways can four books A, B, C and D be arranged one above another in a vertical order such that the books A and B are never in continuous position?

(a) 9
(b) 12
(c) 18
(d) 14
27: Rennin and lactase, the enzymes required to digest milk, disappear in the human body by the age of

(a) two

(b) three

(c) five

(d) eight
28: Consider the following provisions under the Directive Principles of State Policy as enshrined in the Constitution of India:

1. Securing for citizens of India a uniform civil code

2. Organizing village Panchayats

3. Promoting cottage industries in rural areas

4. Securing for all the workers reasonable leisure and cultural opportunities

Which of the above are the Gandhian Principles that are reflected in the Directive Principles of State Policy?

(a) 1, 2 and 4 only
(b) 2 and 3 only
(c) 1, 3 and 4 only
(d) 1, 2 , 3 and 4
29: Consider the following events :

I. Reign of Krishnadevaraya of Vijayanagara.

II. Construction of Qutab Minar.

III. Arrival of Portuguese in India.

IV. Death of Firoz Tughlaq.

(a) II, IV, III, I
(b) II, IV, I, III
(c) IV, II, I, III
(d) IV, II, III, I
30: Consider the following statements:

1. The advocate General of a State in India is appointed by the President of India upon the recommendation of the governor of the concerned State.

2. As provided in Civil Procedure Code, High courts have original, appellate and advisory jurisdiction at the State level.

Which of the statements given above is/are correct?

(a) 1 only
(b) 2 only
(c) Both 1 and 2
(d) Neither 1 nor 2