Number System
What is a two-digit number if the ratio of the digit at ten's place to the digit at unit's place is 4 : 3 ? (I) The sum of the digits of a two-digit number is 14. (II) The digit at unit place is 75% o

If the data even in both statements (I) and (II) together is not sufficient to answer the question.
If the data either in statement (I) alone or in statement (II) alone is sufficient to answer the question.
If the data in statement (II) alone is sufficient to answer the question, while that in statement (I) alone is not sufficient.
If the data in statement (I) alone is sufficient to answer the question while that in statement (II) alone is not sufficient.

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Number System
In a five-litre mixture of milk and water the portion of water is 30%. How much milk should be added to the mixture so that the portion of water reduces to 5% ?

25 litre
21 litre
29 litre
17 litre

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