Discussion :: Mathematical and Computer Operations
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In the following questions the symbols +, ×, ?, @ and $ are used with the following meanings:'P+Q' means 'P is neither smaller nor greater than Q'.'P×Q' means 'P is neither equal to nor smaller than Q'.'P?Q' means 'P is neither greater than nor equal to Q'.'P@Q' means 'P is neither greater than or equal to Q'.'P$Q' means 'P is not equal to Q'.Statements: H @ J, J ? K, K × MConclusions: I. H @ M II. M × J
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A.
if only conclusion I is true.
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B.
if only conclusion II is true.
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C.
if either conclusion I or II is true.
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D.
if neither conclusion I nor II is true.
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E.
if both the conclusions I and II are true.
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Answer : Option D
Explanation :
H ≥ J -- (i); J < K -- (ii); K > M -- (iii)
From (ii) and (iii), we get J < K > M => no relationship between J and M can be established. Hence, II can't be established. Again, combining all we can't conclude the relationship between H and M. Hence I is not true.
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