Staff Selection Commission : Article

MATHEMATICAL OPERATION FOR SSC
  • 2016-11-04
MATHEMATICAL OPERATION  FOR SSC
 SSC 

Directions (Q.1-5): In the following questions, the symbols *, %, ©, @ and $ are used with the following meanings as illustrated below

‘P © Q’ means ‘P is neither greater than nor equal to Q’
‘P $ Q’ means ‘P is not smaller than Q’
‘P % Q’ means ‘P is not greater than Q’
‘P * Q’ means ‘P is neither greater than nor smaller than Q’
‘P @ Q’ means ‘P is neither smaller than nor equal to Q’
Now in each of the following questions assuming the given statements to be true, find which of the conclusion I, II and III given below them is/are definitely true and give your answer accordingly.

1. Statements: N % J, J * B, B © D
Conclusions:
I. D @ N
II. B $ N
III. N % B

a) Only I and II are true
b) Only I and III are true
c) Only II and III are true
d) All are true
e) None of the above

2. Statements :M % R, R $ K, K © T

Conclusions:
I.T © R
II. M © K
III. T % R

a) Only I is true
b) Only I and II are true
c) Only III is true
d) Only II and III are true
e) None of the above
3. Statements : J * T, T $ D, D @ F
Conclusions:
I.F % J
II. F © J
III. J $ D

a) Only I and II are true
b) Only II and III are true
c) Only I and III are true
d) All are true
e) None of the above

4. Statements : H © B, B @ K, T $ B
Conclusions:
I.H © T
II. T % B
III. B @ T

a) None is true
b) Only II is true
c) Only I is true
d) Only either I or II is true
e) Only either II or III is true

5. Statements : H @ M, N % M, K © N

Conclusions:
I.H @ N
II. K © H
III. M $ K

a) None is true
b) Only I is true
c) Only I and II are true
d) Only II and III are true
e) All are true

ANSWER:

1-d       2-e       3-b       4-c       5-c

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