1.

1). 252). 53). 24). 0.5

Answer»

Follow BODMAS rule to SOLVE this question, as per the order given below,

Step-1: Parts of an equation enclosed in 'Brackets' must be SOLVED first, and in the BRACKET,

Step-2: Any mathematical 'Of' or 'Exponent' must be solved next,

Step-3: Next, the parts of the equation that contain 'Division' and 'Multiplication' are calculated,

Step-4: Last but not least, the parts of the equation that contain 'Addition' and 'Subtraction' should be calculated.

Given EXPRESSION is,

⇒ {(81 + 17 × 2) ÷ 5} + 2 = (?)2

⇒ (?)2 = {(81 + 34) ÷ 5} + 2

⇒ (?)2 = (115 ÷ 5) + 2

⇒ (?)2 = 23 + 2

⇒ (?)2 = 25

⇒ (?)2 = 52

⇒ ? = 5



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