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The cost of a washing machine is 40% less than the cost of a TV. If the cost of the washing machine increases by 80% and that of the TV decreases by 22%, then what is the percentage change in the total cost of 7 washing machines and 6 TVs?
Decrease by 15%
Increase by 20%
Decrease by 18%
Increase by 24%
Increase by 20%
Practice and solve "The cost of a washing machine is 40% less than the cost of a TV. If the cost of the washing machine ..." for Mathematics - Previous Year Paper 2026. The correct answer is Option B: Increase by 20%. Detailed step-by-step solution, conceptual clarity, and formulas on Examoogle.
Practice and solve "The cost of a washing machine is 40% less than the cost of a TV. If the cost of the washing machine ..." for Mathematics - Previous Year Paper 2026. The correct answer is Option B: Increase by 20%. Detailed step-by-step solution, conceptual clarity, and formulas on Examoogle.