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Option 1 : (30 + 10/11) minutes past 2 and (34 + 6/11) minutes past 4
According to question,
x + y = 180
x – y = 40
Solving both the equations, x = 110 and y = 70
Clock A
Angle between the hands = 11 × m/2 – 30 H
m denotes the minute hand and H denotes the hour hand
Angle = 110 degrees H = 2
110 = 11 × m/2 – 30 × 2
m = 340/11 = (30 + 10/11)
Time on Clock A is (30 + 10/11) minutes past 2.
Clock B
Angle between the hands = 11 × m/2 – 30 H
m denotes the minute hand and H denotes the hour hand
Angle = 70 degrees H = 4
70 = 11 × m/2 – 30 × 4
m = 380/11 = (34 + 6/11)
Hence, Time on Clock B is (34 + 6/11) minutes past 4.
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