Number System
Radha's present age is three years less than twice her age 12 years ago. Also the respective ratio between Raj's present age and Radha's present age is 4 : 9. What will be Raj's age after 5 years ?

15 years
16 years
17 years
14 years

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

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