If means division means multiplication 39 divide 39 means subtraction x means addition and lt means ...........

Logical Resoning (CGL) Arithmetical Reasoning

If + means division, - means multiplication, '÷' means subtraction, x means addition, and < means less than, then which of the following is false

(10+2)÷7 < (10÷7)+2

(10-7)x2 < (10x2)-7

(10X7)-2 < (10-2)x7

(10÷2)+7 < (10+7)x2

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Explanation:

Swap the symbols given in the question –
?Option (1.): (10+2)÷7 < (10÷7)+2 ; => (10 /2) – 7 < (10-7) /2; => 5-7 < 3/2; => -2 < 1.5; Which is True.
Option (2.): (10-7)x2 < (10x2)-7; => (10 * 7) + 2< (10 + 2)* 7; => 72< 84; Which is true.
Option (3.): (10X7)-2 < (10-2)x7; => (10 + 7)*2< (10*2)+7; => 34 < 27; Which is False.
Hence, option (c.) is the appropriate answer to this problem.