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GATE Mechanical 2021 Set 1 | GA Question: 4

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If $\left\{\begin{matrix} “ \oplus” \; \text{means}\; “-” \\  “ \otimes” \; \text{means}\; “\div”  \\  “ \triangle” \; \text{means}\; “+”  \\  “ \triangledown” \; \text{means}\; “\times”  \end{matrix}\right.$

then, the value of the expression $\triangle 2 \oplus 3 \triangle \left((4 \otimes 2) \triangledown 4) \right) = $

  1. $-1$
  2. $-0.5$
  3. $6$
  4. $7$
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The value of the expression $\triangle 2 \oplus 3 \triangle \left((4 \otimes 2) \triangledown 4) \right) = +2 -3+((4\div 2) \times 4)  = -1 + 8 = 7.\quad$

So, the correct answer is $(D).$
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