Question

# If $$\displaystyle \cap$$ stands for +$$\displaystyle \subset$$ stands for -$$\displaystyle \supset$$ stands for x$$\displaystyle \cup$$ stands for $$\displaystyle \div$$|| stands for =$$\displaystyle \rightarrow$$ stands for >Which one of the following expression is true?

A
(102)(22)(102)
B
(208)(41)(41)
C
(124)(51)(1020)
D
(102)(22)(102)

Solution

## The correct option is D $$\displaystyle \left ( 10\cap 2 \right )\supset \left ( 2\cup 2 \right )\rightarrow \left ( 10\cup 2 \right )$$After applying the signs1. $$(10+2)\times (2=2)<(10\div 2)$$$$12\times 2<5$$$$24<4$$ This is False2. $$(20-8)\div (4-1)=(4+1)$$$$12\div 3=5$$$$4=5$$ This is False3. $$(12-4)\times (5\times 1)<(10+20)$$$$8\times 4<30$$$$40<30$$ This is False4. $$(10+2)\times (2\div 2)>(10\div 2)$$$$12\times 1>5$$$$12>5$$ This is TrueAnswer is Option DLogical Reasoning

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