Data Sufficiency problems
- 1. What does 'S' means in a language?
I. '5 S # 3' means 'flowers are really good'.
II. '7 # 3 5' means flowers are available'.
Options- A. if the data in statement I alone is sufficient to answer the question, while the data in statement II 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 statements I alone or in statement II alone are sufficient to answer the question; and
- D. if the data given in both the statement I and II together are not sufficient to answer the question; and Discuss
Correct Answer:
Explanation:
From I: 5$#3 = flowers are really good ..........(i)
From II: 7#35 = good flowers are available .......(ii)
From I and II: 5#3 = Flowers are good ...........(iii)
Putting (iii) in (i), we get $ = Really
- 2. How is P related to J?
I. M is the brother of P and T is the sister of P
II. P's mother is married to J's husband who has one son and two daughter.
Options- A. if the data in statement I alone is sufficient to answer the question, while the data in statement II 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 statements I alone or in statement II alone are sufficient to answer the question; and
- D. if the data given in both the statement I and II together are not sufficient to answer the question; and Discuss
Correct Answer:
Explanation:
From I : M (+) - P - T ( - )
Combining, we get M ( + ) - P - T ( - )
But II also say's J's husband has one son and two daughters.
Hence, P must be daughter of J.
- 3. How many students are there between Suresh and Mohan in a row of fifty students?
I. Suresh is twelfth from the left end and Mohan is seventeenth from the right end.
II. Suresh is six place away from Jayesh, who is twentieth from left end.
Options- A. if the data in statement I alone is sufficient to answer the question, while the data in statement II 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 statements I alone or in statement II alone are sufficient to answer the question; and
- D. if the data given in both the statement I and II together are not sufficient to answer the question; and Discuss
Correct Answer: if the data in statement I alone is sufficient to answer the question, while the data in statement II alone are not sufficient to answer the question.
Explanation:
From I: n Suresh = 12th from left
Mohan = 17th from right = (50 - 17 + 1 = ) 34th from left
No student between them = 34 - 12 - 1 = 21
From II: No data about Mohan.
- 4. Village P is towards which direction of village R?
I. Village R is to the South-East of village T and T is to the North of village P.
II. Village Q is to the South of village P and to the South-West of village R.
Options- A. if the data in statement I alone is sufficient to answer the question , while the data in statement II alone is not sufficient to answer the question.
- B. if the data in statement II alone is sufficient to answer the question , while the data in statement I alone is not sufficient to answer the question.
- C. if the data either in statement I alone or in statement II alone is sufficient to answer the question
- D. if the data in both the statement I and II together are not sufficient to answer the question Discuss
Correct Answer: if the data either in statement I alone or in statement II alone is sufficient to answer the question
Explanation:
The data in Statement I alone or in statement II alone are sufficient to answer the question.
- 5. Who among A,B, C, D, and E, each having a different height , is the third tallest?
I . E is shorter then only B.
II. C is taller then only A.
Options- A. if the data in statement I alone is sufficient to answer the question , while the data in statement II alone is not sufficient to answer the question.
- B. if the data in statement II alone is sufficient to answer the question , while the data in statement I alone is not sufficient to answer the question.
- C. if the data either in statement I alone or in statement II alone is sufficient to answer the question
- D. if the data in both the statement I and II together are necessary to answer the question Discuss
Correct Answer: if the data in both the statement I and II together are necessary to answer the question
Explanation:
The data in both the statement I and II together are necessary to answer the question
- 6. How many sister dose k have?
I. M is sister of K.
II. k's mother has three children.
Options- A. if the data in statement I alone is sufficient to answer the question , while the data in statement II alone is not sufficient to answer the question.
- B. if the data either in statement I alone or in statement II alone is sufficient to answer the question
- C. if the data either in statement I alone or in statement II alone is sufficient to answer the question
- D. if the data in both the statement I and II together are not sufficient to answer the question. Discuss
Correct Answer: if the data in both the statement I and II together are not sufficient to answer the question.
Explanation:
The data give in both the statement I and II together are not sufficient to answer the question.
- 7. In a row of thirty student facing North, what is R's position from the left end?
I. there are twelve student betwwen R an d Q
II. T is tenth from the right end and three are sixteen student between T and R.
Options- A. if the data in statement I alone is sufficient to answer the question , while the data in statement II alone is not sufficient to answer the question.
- B. if the data in statement II alone is sufficient to answer the question , while the data in statement I alone is not sufficient to answer the question.
- C. if the data either in statement I alone or in statement II alone is sufficient to answer the question
- D. if the data in both the statement I and II together are not sufficient to answer the question Discuss
Correct Answer: if the data in statement II alone is sufficient to answer the question , while the data in statement I alone is not sufficient to answer the question.
Explanation:
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.
- 8. How is 'go' written in a code language?
I. 'go over there' is written as 'pa da na' in that code language.
II. 'go and sit' is written as 'sa ka pa' in that code language.
Options- A. if the data in statement I alone is sufficient to answer the question , while the data in statement II alone is not sufficient to answer the question.
- B. if the data in statement II alone is sufficient to answer the question , while the data in statement I alone is not sufficient to answer the question.
- C. if the data either in statement I alone or in statement II alone is sufficient to answer the question
- D. if the data in both the statement I and II together are necessary to answer the question Discuss
Correct Answer: if the data in both the statement I and II together are necessary to answer the question
Explanation:
The data in both the statement I and II together are necessary to answer the question
- 9. ON which day of the month is definitely meena's birthday? If
I. Meena's brother correctly remembers that Meena'S birthday is after 25th but befor 29th of this month.
II. Meena's father correctly remembers that Meena's birthday is after 27th but before 31st of this month.
Options- A. if the data in statement I alone is sufficient to answer the question, while the data in Statement II alone is not sufficient to answer the question
- B. if the data in Statement II alone is sufficient to answer the question, while the data in Statement I alone is not sufficient to answer the question
- C. if the data in the Statements I and II together are not sufficient answer the question
- D. if the data in both the Statement I and II together are necessary to answer the question Discuss
Correct Answer: if the data in both the Statement I and II together are necessary to answer the question
Explanation:
I. Birthday according to the brother of Meena 26,27,28.
II. Birthday according to the father of Meena 28,29,30.
common date = 28
So, both the statement are necessary to answer the question.
- 10. Kiran is elder to Manoj and Dilip is elder to Neelam. Who is the youngest? If
I. Kiran is elder to Neelam.
II. Manoj is younger than dilip.
Options- A. if the data in statement I alone is sufficient to answer the question, while the data in Statement II alone is not sufficient to answer the question
- B. if the data in Statement II alone is sufficient to answer the question, while the data in Statement I alone is not sufficient to answer the question
- C. if the data in the Statements I and II together are not sufficient answer the question
- D. if the data in both the Statement I and II together are necessary to answer the question Discuss
Correct Answer: if the data in both the Statement I and II together are necessary to answer the question
Explanation:
Question cannot be answered even using both the statements. because either Manoj or Neelam is the youngest.
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