1.

1). 52). 63). 124). 4

Answer»

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

Step - 1 - steps of an equation enclosed in ‘BRACKETS’ must be solved first.

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.

Now, the given EXPRESSION:

⇒ 27 + 2 × (35 - 18) + 168 ÷ (5 + 2) - (9)2 = ? - 2

⇒ 27 + 2 × 17 + 168 ÷ 7 - 81 = ? - 2

⇒ 27 + 2 × 17 + 24 - 81 = ? - 2

⇒ 27 + 34 + 24 - 81 = ? - 2

⇒ ? - 2 = 85 - 81

⇒ ? - 2 = 4

⇒ ? = 6



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