Q.-1891    Select the code which is not correct about Venn diagram:

(A) Venn diagram represents propositions as well as classes.

(B) It can provide clear method of notation.

(C) It can be either valid or invalid.

(D) It can provide the direct method of testing the validity.

Answer Key is: (C)

Q.-1892    Select the code which is not correct in the context of deductive argument with two premises:

(A) An argument with one true premise, one false premise and a false conclusion may be valid.

(B) An argument with two true premises and a false conclusion may be valid.

(C) An argument with one true premise, one false premise and a true conclusion may be valid.

(D) An argument with two false premises and a false conclusion may be valid.

Answer Key is: (B)

Q.-1893    Given below are two premises and four conclusions are drawn from them (taking singly or together). Select the code that states the conclusions validly drawn.

Premises:

(i) All religious persons are emotional.

(ii) Ram is a religious person.

Conclusions:

(a) Ram is emotional.

(b) All emotional persons are religious.

(c) Ram is not a non-religious person.

(d) Some religious persons are not emotional.

Codes:

(A) (a), (b), (c) and (d)

(B) (a) only

(C) (a) and (c) only

(D) (b) and (c) only

Answer Key is: (C)

Q.-1894    The missing term in the series 1, 4, 27, 16,?, 36, 343, … is

(A) 30

(B) 49

(C) 125

(D) 81

Answer Key is: (C)

Q.-1895    The next term in the following series YEB, WFD, UHG, SKI,? will be

(A) TLO

(B) QOL

(C) QLO

(D) GQP

Answer Key is: (B)

Q.-1896    If A is coded as C, M as I, N as P, S as O, I as A, P as N, E as M, O as E and C as S, then the code of COMPANIES will be

(A) SPEINMOAC

(B) NCPSEIOMA

(C) SMOPIEACN

(D) SEINCPAMO

Answer Key is: (D)

Q.-1897    Among the following, identify the continuous type of data:

(A) Number of languages a person speaks

(B) Number of children in a household

(C) Population of cities

(D) Weight of students in a class

Answer Key is: (D)

Q.-1898    Ali buys a glass, a pencil box and a cup and pays Rs. 21 to the shopkeeper. Rakesh buys a cup, two pencil boxes and a glass and pays Rs. 28 to the shopkeeper. Preeti buys two glasses, a cup and two pencil boxes and pays Rs. 35 to the shopkeeper. The cost of 10 cups will be

(A) Rs. 40

(B) Rs. 60

(C) Rs. 80

(D) Rs. 70

Answer Key is: (D)

Q.-1899    Out of four cities given below three are alike in some manner while the fourth one is different. Identify the odd one

(A) Lucknow

(B) Rishikesh

(C) Allahabad

(D) Patna

Answer Key is: (A)

Q.-1900    Given below are some characteristics of reasoning. Select the code that states a characteristic which is not of deductive reasoning:

(A) The conclusion must be based on observation and experiment.

(B) The conclusion should be supported by the premise/premises.

(C) The conclusion must follow from the premise/premises necessarily.

(D) The argument may be valid or invalid.

Answer Key is: (A)

Q.-1901    If two standard form categorical propositions with the same subject and predicate are related in such a manner that if one is undetermined the other must be undetermined, what is their relation?

(A) Contrary

(B) Subcontrary

(C) Contradictory

(D) Sub-altern

Answer Key is: (C)

Q.-1902    Men and woman may have different reproductive strategies but neither can be considered inferior or superior to the other, any more than a bird’s wings can be considered superior or inferior to a fish’s fins. What type of argument it is?

(A) Biological

(B) Physiological

(C) Analogical

(D) Hypothetical

Answer Key is: (C)

Q.-1903    Among the following propositions two are related in such a way that they cannot both be true but can both be false. Select the code that states those two propositions.

Propositions:

(a) Every student is attentive.

(b) Some students are attentive.

(c) Students are never attentive.

(d) Some students are not attentive.

Codes:

(A) (a) and (b)

(B) (a) and (c)

(C) (b) and (c)

(D) (c) and (d)

Answer Key is: (B)

Q.-1904    Given below are two premises ((a) and (b)). From those two premises four conclusions (i), (ii), (iii) & (iv) are drawn. Select the code that states the conclusions validly drawn from the premises (taking singly or jointly.)

Premises:

(a) Untouchability is a curse.

(b) All hot pans are untouchable.

Conclusions:

(i) All hot pans are curse.

(ii) Some untouchable things are hot pans.

(iii) All curses are untouchability.

(iv) Some curses are untouchability.

Codes:

(A) (i) and (ii)

(B) (ii) and (iii)

(C) (iii) and (iv)

(D) (ii) and (iv)

Answer Key is: (D)

Q.-1905    If the statement ‘None but the brave wins the race’ is false which of the following statements can be claimed to be true?

Select the correct code:

(A) All brave persons win the race.

(B) Some persons who win the race are not brave.

(C) Some persons who win the race are brave.

(D) No person who wins the race is brave.

Answer Key is: (B)

Q.-1906    In the series 1, 6, 15, 28, 45, ............ the next term will be:

(A) 66

(B) 76

(C) 56

(D) 84

Answer Key is: (A)

Q.-1907    The next term in the series ABD, DGK, HMS, MTB, .......... is:

(A) NSA

(B) SBL

(C) PSK

(D) RUH

Answer Key is: (B)

Q.-1908    In certain code, “COVALENT” is coded as BWPDUOFM. The code of “ELEPHANT” will be:

(A) MFUIQRTW

(B) QMUBIADH

(C) QFMFUOBI

(D) EPHNTEAS

Answer Key is: (C)

Q.-1909    Ajay is a friend of Rakesh. Pointing to an old man Ajay asked Rakesh who is he ? Rakesh said “His son is my son’s uncle”. The old man is related to Rakesh as:

(A) Grandfather

(B) Father-in-law

(C) Father

(D) Uncle

Answer Key is: (C)

Q.-1910    A postman walked 20 m straight from his office, turned right and walked 10 m. After turning left he walked 10 m and after turning right walked 20 m. He again turned right and walked 70 m. How far he is from his office?

(A) 50 m.

(B) 40 m.

(C) 60 m.

(D) 20 m.

Answer Key is: (A)