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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)
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B
(208)(41)(41)
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C
(124)(51)(1020)
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D
(102)(22)(102)
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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 signs
1. $$(10+2)\times (2=2)<(10\div 2)$$
$$12\times 2<5$$
$$24<4$$ This is False
2. $$(20-8)\div (4-1)=(4+1)$$
$$12\div 3=5$$
$$4=5$$ This is False
3. $$(12-4)\times (5\times 1)<(10+20)$$
$$8\times 4<30$$
$$40<30$$ This is False
4. $$(10+2)\times (2\div 2)>(10\div 2)$$
$$12\times 1>5$$
$$12>5$$ This is True
Answer is Option D

Logical Reasoning

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