1.

[(1326 ÷ 26) × 9 – 64] × 3 = [(? + 13) – 3 × 7]1). 12942). 11393). 11904). 1193

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.

[(1326 ÷ 26) × 9 – 64] × 3 = [(? + 13) – 3 × 7]

⇒ [51 × 9 – 64] × 3 = [(? + 13) – 21]

⇒ [459 – 64] × 3 = [(? + 13) – 21]

⇒ 395 × 3 = [(? + 13) – 21]

⇒ 1185 + 21 = (? + 13)

⇒ ? = 1206 – 13

∴ ? = 1193



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