An aqueous solution contains two compounds X and Y. This solution gave absorbance values of 1.0 and 0.4 at 220 and 280 nm, respectively, in a 1 cm path length cell. Molar absorption coefficients (ε) of the compounds X and Y are as shown in the table below.

The concentration of Y in the solution is___________ mM.

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The probability that the birthday of a child is Saturday or Sunday is

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The probability of getting a multiple of 2 in the throw of a die

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Probability that the sum of the score is odd in a throw of two dice is

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#Question id: 14513

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A committee of 5 students is to be chosen from 6 boys and 4 girls. The probability that the committee contains exactly 2 girls is

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A bag contains 7 red, 5 blue, 4 white and 4 black balls. Then the probability that a ball drawn at random is red or white is

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#Question id: 14515

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Two cards are drawn at random from a pack of 52 cards. The probability that one may be a jack and other an Ace is