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Home › Data Sufficiency › Data Sufficiency - Marks Obtained

Data Sufficiency - Marks Obtained — Data Sufficiency Questions & Practice

Practise 68 Data Sufficiency - Marks Obtained questions from Data Sufficiency for competitive exams such as UPSC, Banking, SSC and Railway. Read the worked questions below, check every answer with an explanation, and track what you get wrong.

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Practice questions on Data Sufficiency - Marks Obtained — with answers

Try each question first, then open the answer. Explanations are included.

1. How many marks did Town P score in the examination? Statement I: The sum of Town P's and Town Q's marks is 220 marks. Statement II: The ratio of Town Q's marks to Town R's marks is 3:4.

  1. AStatement I alone is sufficient to answer the question, while Statement II alone is not sufficient
  2. BStatement II alone is sufficient to answer the question, while Statement I alone is not sufficient
  3. CBoth statements together are sufficient to answer the question, but neither statement alone is sufficient
  4. DBoth statements together are not sufficient to answer the question
Show answer

Answer: D

Statement I gives only the combined total of Town P and Town Q (two unknowns, not sufficient alone). Statement II relates Town Q and Town R, neither of which pins down Town P's marks on its own. Even combining both statements, Town P's marks cannot be uniquely determined, since the information about Town R does not connect back to Town P. Hence both statements together are not sufficient.

2. How many marks did Amit score in the examination? Statement I: The sum of Amit's and Bina's marks is 519 marks. Statement II: The ratio of Bina's marks to Chetan's marks is 2:8.

  1. AStatement I alone is sufficient to answer the question, while Statement II alone is not sufficient
  2. BStatement II alone is sufficient to answer the question, while Statement I alone is not sufficient
  3. CBoth statements together are sufficient to answer the question, but neither statement alone is sufficient
  4. DBoth statements together are not sufficient to answer the question
Show answer

Answer: D

Statement I gives only the combined total of Amit and Bina (two unknowns, not sufficient alone). Statement II relates Bina and Chetan, neither of which pins down Amit's marks on its own. Even combining both statements, Amit's marks cannot be uniquely determined, since the information about Chetan does not connect back to Amit. Hence both statements together are not sufficient.

3. How many marks did Neha score in the examination? Statement I: The sum of Neha's and Vijay's marks is 560 marks. Statement II: The ratio of Vijay's marks to Anita's marks is 7:9.

  1. AStatement I alone is sufficient to answer the question, while Statement II alone is not sufficient
  2. BStatement II alone is sufficient to answer the question, while Statement I alone is not sufficient
  3. CBoth statements together are sufficient to answer the question, but neither statement alone is sufficient
  4. DBoth statements together are not sufficient to answer the question
Show answer

Answer: D

Statement I gives only the combined total of Neha and Vijay (two unknowns, not sufficient alone). Statement II relates Vijay and Anita, neither of which pins down Neha's marks on its own. Even combining both statements, Neha's marks cannot be uniquely determined, since the information about Anita does not connect back to Neha. Hence both statements together are not sufficient.

4. How many marks did Ajay score in the examination? Statement I: The sum of Ajay's and Kavita's marks is 794 marks. Statement II: The ratio of Kavita's marks to Suresh's marks is 7:9.

  1. AStatement I alone is sufficient to answer the question, while Statement II alone is not sufficient
  2. BStatement II alone is sufficient to answer the question, while Statement I alone is not sufficient
  3. CBoth statements together are sufficient to answer the question, but neither statement alone is sufficient
  4. DBoth statements together are not sufficient to answer the question
Show answer

Answer: D

Statement I gives only the combined total of Ajay and Kavita (two unknowns, not sufficient alone). Statement II relates Kavita and Suresh, neither of which pins down Ajay's marks on its own. Even combining both statements, Ajay's marks cannot be uniquely determined, since the information about Suresh does not connect back to Ajay. Hence both statements together are not sufficient.

5. How many marks did Ajay score in the examination? Statement I: The sum of Ajay's and Kavita's marks is 745 marks. Statement II: The ratio of Kavita's marks to Suresh's marks is 2:5.

  1. AStatement I alone is sufficient to answer the question, while Statement II alone is not sufficient
  2. BStatement II alone is sufficient to answer the question, while Statement I alone is not sufficient
  3. CBoth statements together are sufficient to answer the question, but neither statement alone is sufficient
  4. DBoth statements together are not sufficient to answer the question
Show answer

Answer: D

Statement I gives only the combined total of Ajay and Kavita (two unknowns, not sufficient alone). Statement II relates Kavita and Suresh, neither of which pins down Ajay's marks on its own. Even combining both statements, Ajay's marks cannot be uniquely determined, since the information about Suresh does not connect back to Ajay. Hence both statements together are not sufficient.

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