1. In a particular code, HOSPITALS is coded as HSOLSAPTI. The code of BIOLOGICALS will be

2. In the series
1, 5, 13, 25, 41, …….
the next term is
(A) 59
(B) 63
(C) 61
(D) 68

3. At present, a mother is 3 times older than her son. After 5 years, the sum of their ages will be 70 years. The age of the mother after 10 years will be
(A) 40
(B) 55
(C) 45
D) 60

4. In the series
AYD, BVF, DRH, GMJ, ? the next term is

5. C and D are sisters. A and B are brothers. E is son of A and brother of D. B is related to C as
(A) Brother
(B) Son
(C) Uncle
(D) Father-in-law

6. Anil played 8 cricket matches. The mean (average) of the runs was found to be 80. After playing four more matches, the mean of the runs of all the matches was found to be 70. The total runs made in the last four matches is
(A) 400
(B) 300
(C) 200
(D) 100

7. If two propositions are connected in such a way that they cannot both be false although they may both be true, then their relationship is called
(A) Contrary
(B) Subcontrary
(C) Contradictory
(D) Subalternation

8. Which one among the following is not a characteristic of a deductive type of argument?
(A) The conclusion follows from the premise/premises necessarily.
(B) The argument admits degree of complexity.
(C) The argument provides us knowledge about matters of fact.
(D) The argument must be either valid or invalid.

9. Select the code which states the condition of an invalid deductive argument :
(A) All the premises are true but the conclusion is false.
(B) Some of the premises are true but the conclusion is false.
(C) All the premises are false and the conclusion is also false.
(D) All the premises are true and the conclusion is also true.

10. Given below are two premises, with four conclusions drawn from them (taking singly or together); which conclusions are validly drawn? Select the correct answer from the codes given below:
(i) All bats are mammals.
(ii) Birds are not bats.
(a) Birds are not mammals.
(b) Bats are not birds.
(c) All mammals are bats.
(d) Some mammals are bats.

(A) (a), (b) and (d)
(B) (b) and (d)
(C) (a) and (c)
(D) (b), (c) and (d)

11. When a definition implies a proposal to use the definiendum to mean what is meant by the definiens it is called
(A) Lexical definition
(B) Stipulative definition
(C) Precising definition
(D) Persuasive definition

12. Select the code which is not correct:
An analogical argument is strengthened by
(A) increasing the number of entities.
(B) increasing the number of similar respects.
(C) reducing the claim made earlier stronger.
(D) making the conclusion stronger when premises remain unchanged.