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- Question
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.
- Correct Answer
- If the data in both the statements together are needed.
ExplanationFrom 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.
- 1. 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
- 2. 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
- 3. 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
- 4. 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
- 5. If "S" denotes "multiplied by", "V" denotes "subtracted from", "M" denotes "added to" and "L" denotes "divided by", then 12 V 3 M 441 L 21 S 8 = ?
Options- A. 661
- B. -170
- C. 174
- D. 177 Discuss
- 6. In what proportion would Raj, Karan and Altaf distribute profit among them ? I. Raj gets two-fifth of the profit. II. Karim and Altaf have made 75% of the total investment.
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
- 7. What will be the total weight of 10 poles each of the same weight ? I. One-fourth of the weight of a pole is 5 kilograms. II. The total weight of three poles is 20 kilograms more than the total weight of two poles.
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
- 8. In a code, 'lee pee tin' means 'Always keep smiling'. What is the code for ? I. 'tin lut lee' means 'Always keep left'. II. 'dee pee' means 'Rose smiling.
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
- 9. Manoj, Prabhakar, Mash and Kamal are four friends. Who among them is the heaviest '' I. Prabhakar is heavier than Manoj and Kamal but lighter than Akash. II.Manoj is lighter than Prabhakar and Mask but heavier than Kamal.
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
- 10. Each boy contribute rupees equal to the number of girls and each girl contribute rupees equal to the number of boys in a class of 60 students. If the total contribution collected is Rs.1600,how many girls are there in the class ?
Options- A. 30
- B. 25
- C. 15
- D. 40 Discuss
Data Sufficiency problems
Search Results
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
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.
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. .
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.
Correct Answer: 177
Correct Answer: If the data even in both the statements together are not sufficient to answer the question
Explanation:
Even both the statements together are not sufficient to answer the question.
Correct Answer: If the data either in I or II alone are sufficient to answer the question;
Explanation:
From I, we find that the weight of one pole is (5 x 4) = 20 kg ,and so the weight of 10 poles is 200 kg.
Thus, I alone is sufficient.
From II. we have : (weight of 3 poles ? weight of 2 poles) -= 20 kg or weight of one pole - 20 kg.
So. weight of 10 poles 200 kg.
Thus. II alone is also sufficient
Correct Answer: If the data either in I or II alone are sufficient to answer the question;
Explanation:
Comparing the information in the question with I. we find that 'tin' and 'lee' are the codes for 'always' and 'keep'.
So. 'pee' represents 'smiling' Thus, I alone is sufficient Am.
comparing the information in the question with II, we find that the common code word 'pee' stands for the common word 'smiling'.
Thus, II alone is also sufficient
Correct Answer: If the data in both the statements together are needed.
Explanation:
From I, we have, P > M, P > K, A > P.
From II we have, M > K, P > M, A > P.
Combining the above two, we have : A > P > M > K.
Thus, Akash is the heaviest. So, both the statements are required.
Correct Answer: 40
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