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Get access to the detailed solutions to the previous years questions asked in IIFT exam
Explanation: e number of televisions which cleared quality check on day 1 = 4a
The number of refrigerators which cleared quality check on day 1 = 800 - 7a - 100 = 700 - 7a
Ratio = 4a/700-7a
Only option D satisfies the above equation.
The answer is option D.