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DS: Solved Examples
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In this lesson, we see more examples on Data Sufficiency.

Riya Agarwal is teaching live on Unacademy Plus

Riya Agarwal
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  1. 2 DATA SUFFICIENCY g0 Ou 45


  2. About Me . I hold a B.E degree in Electronics and Communication Engineering CAT, 18: Di & LR-99.59 %ile. . You can follow me on Unacademy for complete preparation guide on DILR section for CAT and OMETS.


  3. 2 DATA SUFFICIENCY g0 Ou 45


  4. SOLVED EXAMPLES


  5. In 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 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 Il alone are not sufficient to answer the question (B) 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 (C) If the data either in statement I alone or in statement II alone are sufficient to answer the question (D) If the data given in both statements I and Il together are not sufficient to answer the question and (E) If the data in both statements I and II together are necessary to answer the question.


  6. Question 4: How much was the total sale of the company? Statements The company sold 8000 units of product A each costing Rs. 25. This company has no other product line. B. C. D. E. I alone is sufficient while II alone is not sufficient Il alone is sufficient while I alone is not sufficient Either I or Il is sufficient Neither I nor II is sufficient Both I and II are sufficient


  7. Question 4: How much was the total sale of the company? Statements The company sold 8000 units of product A each costing Rs. 25. This company has no other product line. I alone is sufficient while II alone is not sufficient B. Il alone is sufficient while I alone is not sufficient C. Either I or Il is sufficient D. Neither I nor II is sufficient E. Both I and Il are sufficient Answer: Option E Explanation From I, total sale of product A Rs. (8000 x 25)- Rs. 200000 From II, we know that the company deals only in product A. This implies that sale of product A is the total sale of the company, which is Rs. 200000.


  8. Question 5: The last Sunday of March, 2006 fell on which date? Statements: The first Sunday of that month fell on 5th. The last day of that month was Friday. A. B. C. D. E. lalone is sufficient while Il alone is not sufficient Il alone is sufficient while I alone is not sufficient Either I or Il is sufficient Neither I nor II is sufficient Both I and II are sufficient


  9. Question 5: The last Sunday of March, 2006 fell on which date? Statements: The first Sunday of that month fell on 5th. The last day of that month was Friday. A. B. C. D. E. lalone is sufficient while Il alone is not sufficient Il alone is sufficient while I alone is not sufficient Either I or Il is sufficient Neither I nor II is sufficient Both I and II are sufficient Answer: Option C Explanation: From l, we conclude that 5th, 12th, 19th and 26th of March, 2006 were Sundays. So, the last Sunday fell on 26th. From II, we conclude that 31st March, 2006 was Friday. Thus, 26th March, 2006 was the last Sunday of the month.


  10. Question 6: What is the code for 'sky' in the code language? Statements: In the code language, 'sky is clear' is written as 'de ra fa'. In the same code language, 'make it clear' is written as 'de ga jo'. A. B. C. D. E. lalone is sufficient while Il alone is not sufficient Il alone is sufficient while I alone is not sufficient Either I or Il is sufficient Neither I nor II is sufficient Both I and II are sufficient


  11. Question 7: How many children are there between P and Q in a row of children ? Statements: P is fifteenth from the left in the row. Q is exactly in the middle and there are ten children towards his right. A. B. C. D. E. lalone is sufficient while Il alone is not sufficient Il alone is sufficient while I alone is not sufficient Either I or Il is sufficient Neither I nor II is sufficient Both I and II are sufficient


  12. Question 8: How is T related to K? Statements: R's sister J has married T's brother L, who is the only son of his parents. K is the only daughter of L and J A. B. C. D. E. lalone is sufficient while Il alone is not sufficient Il alone is sufficient while I alone is not sufficient Either I or Il is sufficient Neither I nor II is sufficient Both I and II are sufficient