GIC Aptitude-Reasoning Contributed by Honey updated on Apr 2019

GIC Aptitude Reasoning

GIC Scale 1 Officers  Model Questions of Aptitude, Reasoning, English questions

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Directions (Qns. 1 to 5)  :  In the questions given below, certain symbols are used with the following meaning :

A @ B means A is greater than B

A * B means A is either greater than or equal to B

A # B means A is equal to B

A \$ B means A is either smaller than or equal to B

A + B means A is smaller than B

Now in each of the following questions assuming the given statements to be true, find which of the two conclusions I and II given below them is/are definitely True ?

Give answer (A) if only conclusion I is true.

Give answer (B) if only conclusion II is true.

Give answer (C) if either conclusion I or II is true.

Give answer (D) if either conclusion I or II is true.

Give answer (E) if both conclusion I and II are true.

Explanatory Ans : - SBI - Reasoning - Ans. No. (1-5)

1. Statements :

D + T;   E \$ V;   F * T;   E @ D

Conclusions :

I.  D \$ V

II. D + F

(Ans : B) Explanatory Ans : -

D + T;   E \$ V;   F * T;   E @ D

After conversion

D < T;   E ? V;   F ? T;   E > D     or,    V ? E > D < T ? F

Conclusions :

I.  D \$ V   ?  D < V :  Not True D is smaller than V.

II. D + F   ?  D < F :  True

2. Statements :

B + D;   E \$ T;   T * P;   P @ B

Conclusions :

I.  P \$ D

II. P @ D

(Ans : C) Explanatory Ans : -

B + D;   E \$ T;   T * P;   P @ B

After conversion

B < D;   E ? T;   T ? P;   P > B      or,    E ? T ? P > B < D

Conclusions :

I.   P \$ D   ?  P ? D  :  Not True

II. P @ D   ?  P > D  :  Not True

While considering the relation between two entities three possibilities exists : greater than,  equal to or smaller than.  Therefore, either I or II is true.

3. Statements :

T * U;   U \$ W;   V @ L;   W + V

Conclusions :

I.  V @ T

II. L # W

(Ans : D) Explanatory Ans : -

T * U;   U \$ W;   V @ L;   W + V

After conversion

T ? U;   U ? W;   V > L;   W < V    or,   T ? U ? W < V > L

Conclusions :

I.  V @ T    ?   V > T  :  Not True

II. L # W   ?   L = W  :  Not True

4. Statements :

P \$ Q;   N # M;   M @ R;  R * P

Conclusions :

I.  P + N

II. Q \$ M

(Ans : A) Explanatory Ans : -

P \$ Q;   N # M;   M @ R;  R * P

After conversion

P ? Q;   N = M;   M > R;  R ? P    or,    N = M > R ? P ? Q

Conclusions :

I.  P + N   ?   P < N  :  True

II. Q \$ M   ?   Q < M :  Not True

5. Statements :

E * F;   G \$ H;   H # E;   G @ K

Conclusions :

I.  H @ K

II. H * F

(Ans : E) Explanatory Ans : -

E * F;   G \$ H;   H # E;   G @ K

After conversion

E ? F;   G ? H;   H = E;   G > K    or,   K < G ? H = E ? F

Conclusions :

I.  H @ K   ?   H > K :  True

II. H * F    ?   H ? F :  True

6    If A + B means "A is the sister of B".  A * B means "A is the wife of B", A Ã· B means "A is the father of B" and A - B means "A is the brother of B", then which of following expresses the relationship that "T is the daughter of P" ?

A)  P * Q Ã· R + S - T

B)  P * Q Ã· R - T + S    (Ans)

C)  P * Q Ã· R + T - S

D)  P * Q Ã· R + S + T

E)  None of these

Explanatory Ans : -  Option (I)

P * Q Ã· R + S - T

P * Q    ?   P is the wife of Q.

Q Ã· R   ?   Q is the father of R.

R + S   ?    R  is the sister of S.

S  -  T   ?    S is the brother of T.

Note :  The sex of T is not known.

Deductions

(i)  Q is the husband of P.

(ii)  P is the mother of R, S and T.

(iii) Q is the father of R, S and T.

(iv) R is the sister of S and T.

(v)  S is the brother of R and T.

Option (II)

P * Q Ã· R - T + S

P * Q   ?   P is the wife of Q.

Q Ã· R  ?   Q is the father of R.

R - T   ?    R  is the brother of S.

T + S  ?    T is the sister of S.

Note :  The sex of S is not known.

Deductions

(i)  Q is the husband of P.

(ii)  P is the mother of R, S and T.

(iii) Q is the father of R, S and T.

(iv) T is the daughter of P and Q.

7.  If the position of the first letter of English alphabet is interchanged with the position of the fourteenth letter, second letter wit the fifteenth letter in such a way that M is interchanged with Z, then which of the following letters will be 9th to the right of 17th letter from the right ?

A)  F    (Ans)

B)  E

C)  R

D)  T

E)  None of these

Explanatory Ans : -  According to question, the new sequence would be :

N O P Q R S T U V W X Y Z A B C D E F G H I J K L M   9th to  the right of 17th letter from the right means (17 - 9) = 8th letter from the right.

8th letter from right ? F.

Statements :

Some trees are flowers.

Some flowers are pencils.

Some pencils are tables.

Conclusions :

I.    Some tables are flowers.

II.   Some pencils are trees.

III.  Some tables are trees.

IV.  Some trees are pencils.

A)  All follow

B)  None follows        (Ans)

C)  Only I and III follow

D)  Only II and IV follow

E)  None of these

Explanatory Ans : -  All the three premises are Particular Affirmative (I-type).  Therefore, no conclusion can be derived from these premises.  Now look for any conversion and/or implication :

There is no such conclusion.

8.    Statements :

All rods are bricks

Some bricks are ropes

All ropes are doors

Conclusions :

I.    Some rods are doors.

II.   Some doors are bricks.

III.  Some rods are not doors.

IV.  All doors are ropes.

A)  Only I and II follow

B)  Only I, II and III follow

C)  Only either I or III and II follow        (Ans)

D)  Only either I or III and IV follow

E)  None of these

Explanatory Ans : - First premise is Universal Affirmative (A-type).

Second premise is Particular Affirmative (I-type).

Third premise is Universal Affirmative (A-type).

9.  In a certain code DOWN as '5@9#" and NAME is written as '#6%3'.  How is MODE written in that code ?

(1) %653

(2) %@63

(3) %5@3

(4) %@53     (Ans)

(5) None of these

Solutions :

D    O    W    N           N    A    M    E
?    ?    ?    ?   and   ?    ?    ?    ?
5    @     9    #          #     6    %   3

So,    M    O     D    E
?    ?    ?    ?
%    @    5    3

10 How many meaningful English words can be formed with the letters LGEU using each letter only once in each word ?

(1) None

(2) One

(3) Two      (Ans)

(4) Three

(5) More than three

Solutions :   Meaningful words ? GLUE,  LUGE