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A box contains 3 bottles of juice, 4 bottles of lassi and 6 bottles of milkshake. 2 bottles are picked up randomly, what is the probability that both the bottles are of lassi?

A box contains 3 bottles of juice, 4 bottles of lassi and 6 bottles of milkshake. 2 bottles are picked up randomly, what is the probability that both the bottles are of lassi? Correct Answer 1/13

Given:

Number of bottle of juice = 3

Number of bottle of Lassi = 4

Number of bottle of milkshake = 6

Number of bottle picked up randomly = 2

Calculation:

Total number of bottles = (3 + 4 + 6) = 13

∴ Number of ways to choose 2 bottles = 13C2 = 78

Number of lassi bottles = 4

∴ Number of ways to choose 2 lassi bottles = 4C2 = 6

∴ Required probability = 6/78 = 1/13

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