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? % of [50% of {40% of (30% of 12000)}] = 250% of 801). 13.332). 16.673). 25.554). 27.78

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, the BODMAS rule must be followed,

? % of [50% of {40% of (30% of 12000)}] = 250% of 80

⇒ ? % of [50% of {40% of (30/100 × 12000)}] = 250% of 80

⇒ ? % of [50% of {40/100 × 3600}] = 250% of 80

⇒ ? % of [50/100 × 1440] = 250% of 80

⇒ ? % of 720 = 250% of 80

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

⇒ ?/100 × 720 = 250/100 × 80

⇒ ? = 200 × 100/720

∴ ? = 27.78


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