Q. If two propositions having the same subject and predicate terms can both be true but cannot both be false, the relation between those two propositions is called

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Q. One writes all numbers from 50 to 99 without the digits 2 and 7. How many numbers have been written?

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Q. Given below is a diagram of three circles A, B & C inter-related with each other. The circle A represents the class of Indians, the circle B represents the class of scientists and circle C represents the class of politicians. p, q, r, s... represent different regions. Select the code containing the region that indicates the class of Indian scientists who are not politicians.

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Q. Given below are two premises and four conclusions drawn from those premises. Select the code that expresses conclusion drawn validly from the premises (separately or jointly).

Premises:
(a) All dogs are mammals.
(b) No cats are dogs.

Conclusions:
(i) No cats are mammals
(ii) Some cats are mammals.
(iii) No Dogs are cats
(iv) No dogs are non-mammals.

Codes:

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Q. In certain coding method, the word QUESTION is encoded as DOMESTIC. In this coding, what is the code word for the word RESPONSE?

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Q. Complete the series BB, FE, II, ML, PP,.......... by choosing one of the following option given :

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Q. If two propositions having the same subject and predicate terms are such that one is the denial of the other, the relationship between them is called

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Q. Ananya and Krishna can speak and follow English. Bulbul can write and speak Hindi as Archana does. Archana talks with Ananya also in Bengali. Krishna can not follow Bengali. Bulbul talks with Ananya in Hindi. Who can speak and follow English, Hindi and Bengali ?

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Q. A stipulative definition may be said to be

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Q. When the conclusion of an argument follows from its premise/premises conclusively, the argument is called

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Q. Saturn and Mars are planets like the earth. They borrow light from the Sun and moves around the Sun as the Earth does. So those planets are inhabited by various orders of creatures as the earth is.

What type of argument is contained in the above passage ?

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Q. Given below are two premises. Four conclusions are drawn from those two premises in four codes. Select the code that states the conclusion validly drawn.

Premises :
(i) All saints are religious. (major)
(ii) Some honest persons are saints. (minor)

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Q. In certain code TEACHER is written as VGCEJGT. The code of CHILDREN will be

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Q. A person has to buy both apples and mangoes. The cost of one apple is Rs 7/- whereas that of a mango is Rs 5/-. If the person has Rs 38, the number of apples he can buy is

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Q. A man pointing to a lady said, “The son of her only brother is the brother of my wife”. The lady is related to the man as

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Q. A, B, C, D, E and F are sitting around a round table. A is between E and F. E is opposite to D and C is not in either of the neighbouring seats of E. The person opposite to B is

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Q. In certain code HEALTH is written as KHDOWK. The code of NORTH will be

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Q. Yadav, Arjun, Rajesh and Kamal play cricket. Rajesh and Kamal play tennis but do not play football. Yadav does not play Badminton but play golf. Arjun does not play tennis. Kamal sometimes plays Badminton. Who does play only cricket ?

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Q. A deductive argument can not be valid :

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Q. An analogical argument is strengthened by

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