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Each of the questions below consists of a question and two statements numbered I and II given below it. You have to decide whether the data provided in the statements are sufficient to answer the question. Read the question and both the statements and -Give answer a: if the data in statement I alone

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Each of the questions below consists of a question and two statements numbered I and II given below it. You have to decide whether the data provided in the statements are sufficient to answer the question. Read the question and both the statements and -
Give answer a: if the data in statement I alone are sufficient to answer the question, while the data in statement II alone are not sufficient to answer the question.
Give answer b: if the data in statement H alone are sufficient to answer the question, while the data in statement I alone are not sufficient to answer the question.
Give answer c: if the data either in statement I alone or in statement II alone are sufficient to answer the question.
Give answer d: if the data even in both the statements I and H together are not sufficient to answer the question.
Give answer e: if the data in both the statements I and II together are necessary to answer the question.


What is the two digit number where the digit at the unit place is smaller ?
I. The difference between the two digits is 5.
II. The sum of the two digits is 7.
1). if the data in statement I alone are sufficient to answer the question, while the data in statement II alone are not sufficient to answer the question.
2). if the data in statement II alone are sufficient to answer the question, while the data in statement I alone are not sufficient to answer the question.
3). if the data either in statement I alone or in statement II alone are sufficient to answer the question.
4). if the data even in both the statements I and II together are not sufficient to answer the question.


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2 vote
Answered by on | Votes 2 |
Solution

2 digit numbers where digit at unit place is smaller :

I : Difference between the two digits is 5

=> 2 digit numbers can be = 61 , 72 , 83 , 94

II : Sum of the two digits is 7

=> 2 digit numbers can be = 70 , 61 , 52 , 43

I & II : Clearly, the common number from the above two sets = 61

Thus, I & II together are sufficient.

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