Data Sufficiency problems
- 1. Question: What is the total monthly salary of Vasu?
Statements:
- Vasu's basic salary is Rs 100 more than Rajan's salary who also serves in Vasu's company.
- Other allowances drawn by Rajan besides his basic salary are Rs 2000 per month which is Rs 50 less than Vasu's salary.
- Rajan's basic salary is Rs 1550 per month,
Options- A. Only II
- B. Only II and III
- C. Only I and II
- D. Only I and III
- E. All I, II and III Discuss
Correct Answer: All I, II and III
Explanation:
From I, we have: Vasu's basic salary = Rs. (1550 + 100) = Rs. 1650.
From II, we have: Rajan's other allowances = Rs. 2000 and Vasu's other allowances = Rs. 2050.
Therefore Vasu's monthly salary = Rs. (1650 + 2050) = Rs. 3700.
- 2. Question: Who is the tallest among six boys P, T, N, D, Q and R?
Statements:
- P is taller than D and N but not-as tall as T.
- R is taller than Q but not as tall as T.
- Q is not taller than T and R.
Options- A. Only I and II
- B. Only II and III
- C. Only I and III
- D. All I, II and III
- E. Only I and either II or III Discuss
Correct Answer: Only I and II
Explanation:
From II, we have: R > Q, T > R i.e. T > R > Q ...(ii)
From III, we have: T > Q, R > Q ...(iii)
Clearly, from (i) and (ii), we conclude that T is taller than each one of P, N, D, R and Q. So, T is the tallest.
- 3. Question: What does 'come' represent in a code language?
Statements:
- 'pit na tac' means 'come and go' in that code language.
- 'ja ta da' means 'you are good' in that code language.
- 'na da rac' means 'you can come' in that code language.
Options- A. Only I and II
- B. Only II and III
- C. Only I and III
- D. All I, II and III
- E. None of these Discuss
Correct Answer: Only I and III
Explanation:
- 4. Question: How is the girl in the photograph related to Kunal?
Statements:
- Pointing to the photograph, Kunal said, "She is the mother of my father's only granddaughter".
- Kunal has no siblings.
- Pointing to the photograph, Kunal said, "She is the only daughter-in-law of my mother."
Options- A. Any two of the three
- B. Only I and II
- C. Only II and III
- D. Either only III or only I and II
- E. None of these Discuss
Correct Answer: Either only III or only I and II
Explanation:
So, from both I and II, we conclude that the girl is Kunal's wife.
From III, we find that the girl is the only daughter-in-law of Kunal's mother i.e. she is Kunal's wife.
- 5. Question: How many sons does X have?
Statements:
- Q and U are brothers of T.
- R is sister of P and U.
- R and T are daughters of X.
Options- A. Only I and II
- B. Only II and III
- C. All I, II and HI
- D. I, II and III together are not sufficient
- E. None of these Discuss
Correct Answer: I, II and III together are not sufficient
Explanation:
- 6. In a certain code '13' means 'stop smoking' and '59' means 'injurious habit'. What is the meaning of '9' and '5' respectively in that code ? I. '157' means 'stop bad habit'. II. '839' means 'smoking is injurious'.
Options- A. If the data in statement I alone are sufficient to answer the question
- B. If the data in statement II alone are sufficient answer the question
- C. If the data either in I or II alone are sufficient to answer the question;
- D. If the data even in both the statements together are not sufficient to answer the question Discuss
Correct Answer: If the data either in I or II alone are sufficient to answer the question;
Explanation:
'59' means Injurious habit' and '157' means 'stop bad habit' (from I). Thus, the common code number '5' stands for common word 'habit'. So. '9' represents 'injurious'.Hence, I is sufficient.
Also, '59' means Injurious habit' and '839' means 'smoking is injurious'. Thus, the common code number '9' stands for common word 'injurious'. So, '5' represents 'habit'. Thus, II is also sufficient.
- 7. On which day in January, Subhas left for Germany ? I. Subhas has so far spent 10 years in Germany. II. Subhas friend Anil left for Germany on 15th February and joined Subhas 20 days after Subhass arrival.
Options- A. If the data in statement I alone are sufficient to answer the question
- B. If the data in statement II alone are sufficient answer the question
- C. If the data either in I or II alone are sufficient to answer the question;
- D. If the data even in both the statements together are not sufficient to answer the question Discuss
Correct Answer: If the data even in both the statements together are not sufficient to answer the question
Explanation:
Clearly, even from both the given statements, we cannot conclude the exact date of Subhas leaving for Germany. .
- 8. What is Reena's rank in the class ? I. There are 26 students in the class. II. There are 9 students who have scored less than Reena.
Options- A. If the data in statement I alone are sufficient to answer the question
- B. If the data in statement II alone are sufficient answer the question
- C. If the data either in I or II alone are sufficient to answer the question;
- D. If the data in both the statements together are needed. Discuss
Correct Answer: If the data in both the statements together are needed.
Explanation:
From I and II, we conclude that there are 16 students above Reyna in rank. Thus, Reenats rank is 17th in the class So, both the statements are necessary.
- 9. Among five friends who is the tallest ? I. D is taller than A and C. II. B is shorter than E but taller than D.
Options- A. If the data in statement I alone are sufficient to answer the question
- B. If the data in statement II alone are sufficient answer the question
- C. If the data either in I or II alone are sufficient to answer the question;
- D. If the data in both the statements together are needed. Discuss
Correct Answer: If the data in both the statements together are needed.
Explanation:
From I, we have : D > A , D> C,
From II, we have : E >B > D.
Combining the above two, we get : E > B> D> (A and C).
So, E is the tallest.
Clearly, both the statements are needed to answer the question
- 10. In which year was Rahul born ? I. Rahul at present is 25 years younger to his mother. II. Rahul's brother, who was born in 1964, is 35 years younger to his mother.
Options- A. If the data in statement I alone are sufficient to answer the question
- B. If the data in statement II alone are sufficient answer the question
- C. If the data either in I or II alone are sufficient to answer the question;
- D. If the data in both the statements together are needed. Discuss
Correct Answer: If the data in both the statements together are needed.
Explanation:
From both the given statements, we find that Rahul is (35 - 25) = 10 years older than his brother,
who was born in 1964, So. Rahul was horn in 1954
Thus, both the given statements are needed to answer the query.
More in Verbal Reasoning:
Programming
Copyright ©CuriousTab. All rights reserved.