Question
Statements: K * D, D $ N, N % M, M © W
Conclusions:      I.M % W              II.M $ W             III.N @ D            IV.W * N In the following questions, the symbols @, © , %, $ and * are used with the following meaning as illustrated below.  ‘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 equal to Q’. ‘P $ Q’ means ‘P is neither smaller than nor equal to Q’. ‘P % Q’ means ‘P is neither greater than nor smaller than Q’.Solution
given statements: K * D, D $ N, N % M, M © W After converting: K ≤ D , D > N , N = M , M ≥ W After combining: K ≤ D > N = M ≥ W Conclusion a → M % W → M = W ( M ≥ W ) It will make a either case so both conclusion a and b is true Conclusion c → N @ D → N < D (D > N ) , it is true. Conclusion d → W * N → W < N (N = M ≥ W), it is true.
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