Discussion :: Mathematical and Computer Operations
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In the following questions, the symbols +, ×, =, ÷ and - are used with following meanings: 'P+Q' means 'P is greater than Q'.'P×Q' means 'P is either greater than or equal to Q'.'P=Q' means 'P is equal to Q'.'P÷Q' means 'P is smaller than Q'.'P-Q' means 'P is either smaller than or equal to Q'.Statements: U + V, W - Y, Y × UConclusions: I. W + U II. W ÷ V
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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 :
U > V -- (i); W ≤ Y -- (ii); Y ≥ U -- (iii)
From (ii) and (iii), W ≤ Y ≥ U => no relationship between W and U can be determined. Hence, I is not true. Now, using (i), again no relationship between W and V can Determined.
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