Institute of Banking Personnel Selection : Article

MATHEMATICAL OPERTION
  • 2016-07-08
MATHEMATICAL OPERTION
 BANK 

Directions (Q.No 1-3)

‘P Q’ means ‘P is greater than Q’.

‘P β Q’ means ‘Pis either greater than or equal to Q’.

‘P γ Q’ means ‘P equal to Q’.

‘P δ Q’ means ‘P is smaller than Q’.

‘P σ Q’ means ‘P is either smaller than or equal to Q’.

1) If only conclusion 1 is true

2) if only conclusion 2 is true

3) if either 1 or 2 is true

4) if neither 1 nor 2 is true

5) if both 1 and 2 are true

1) Statements: M α N, Lγ M, O δ N, L σ K

Conclusions:1. M δ K

                      2. L α N

2) Statements: E γ F, C δ D, F β G, D E

Conclusions: 1. E G

                         2. C γ E

3) Statements: L β M, O γ N, L δ H, M γ O

Conclusions: 1. L γ N

                        2. L N

4) In which of the following expressions will the expression ‘A > D’ be definitely true?

(1) A < B ≤ C=D      (2) D= B > C < A

(3) A < I = D  > C    (4) D> B = C < A

(5) None is true

5)  In which of the following expressions will not be true if the expression ‘J < K= L ≥ M > h’ is definitely true?

(1) L > J       (2) K ≥ M      (3) H < L

(4) J < M       (5) K > H

Directions(Q.No 6-8)

Give Answer

1) If only conclusion 1 follows

2) If only conclusion 2 follows

3) If either conclusion 1 or 2 follows

4) If neither conclusion 1 nor 2 follows

5) If both conclusions 1 and 2 follow.

6) Statements: A=B c < D = E F

Conclusions: 1. F > B

                   2. B D

7) Statements: P > M > Q, Q > Z > N

Conclusions:1. M Z

2. N < P

8) Statements:X > Y, Y Z, Z= V, V < W

Conclusions:1. Y = V

2. Y > V

Directions (Q.No: 9-10) In the following questions the symbols 2, $, *, # and δ are used with the following meaning as illustrated below.

‘P $ Q’ means ‘P is not smaller than Q’.

‘P @ Q’ means ‘P is neither smaller than nor equal to Q’.

‘P # Q’ means ‘P is neither greater than nor equal to Q’.

‘P δ Q’ means ‘P is neither greater than nor smaller than Q’.

‘P * Q’ means ‘P is not greater than Q’.

Now, in each of the following questions assuming the given statements to be true, find which of the four conclusions 1, 2, 3 and 4 given below them is/are definitely true and give your answer accordingly.

9) Statements: R * D, D $ J, J # M, M @ K

Conclusions:1. K# J

2. D @ M

3. R # M

4. D @ K

(1) None is true        (2) Only 1 is true

(3) Only 2 is true      (4) Only 3 is true

(5) Only 4 is true

10) Statements:H @ T, T # F, F δ E, E * V

Conclusions:1. V $F

2. E @ T

3. H @ V

4. T # V

(1) 1, 2 and 3 are true

(2) 1, 2 and 4 are true

(3) 2, 3 and 4 are true

(4) 1, 3 and 4 are true

(5) All are true


1. 2

2. 4

3. 3

4. 5

5. 4

6. 4

7. 2

8. 3

9. 1

10.2

...