In a survey among 70 people, 50 like Vanila and 40 like Chocolate. What is the minimum and maximum number of people who like exactly 2 flavours respectively?

50, 50

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20, 40

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20, 20

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30, 20

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Solution

The correct option is C 20, 20
C

X = I + II = 70

S = I + 2II = 50 + 40 = 90

S – X = II = 90 – 70 = 20 = x

So, minimum and maximum value of x = 20.

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In a survey among 70 people, 50 like Vanila and 40 like Chocolate. What is the minimum and maximum number of people who like exactly 2 flavours respectively?

The correct option is C 20, 20C X = I + II = 70 S = I + 2II = 50 + 40 = 90 S – X = II = 90 – 70 = 20 = x So, minimum and maximum value of x = 20.

The correct option is C 20, 20
C

X = I + II = 70

S = I + 2II = 50 + 40 = 90

S – X = II = 90 – 70 = 20 = x

So, minimum and maximum value of x = 20.