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Data Sufficiency

Practice logical reasoning by determining if given statements provide sufficient information to answer questions about various topics including coding, relationships, ages, and scheduling.

10 Questions Published
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Questions

Question 1 Multiple Choice (Single Answer)

Directions: The question below is followed by three statements I, II and III. Read all the statements carefully and find out which of the given statements is/are sufficient to answer the question. Choose the correct alternative.

In a certain code, ‘PYC’ means “we are friends”. Which letter stands for ‘we’?
Statements:
I. ‘XYZ’ means “they are classmates”.
II. ‘CMS’ means “we love them”.
III. ‘PR’ means “Hello friends”.

  1. Only II
  2. Only I and III
  3. All I, II and III
  4. Either II only, or I and III
  5. None of these
Question 2 Multiple Choice (Single Answer)

Directions: The question below is followed by three statements I, II and III. Read all the statements carefully and find out which of the given statements is/are sufficient to answer the question. Choose the correct alternative.

How is Robin related to Meena?
Statements:
I. Champak is the brother of Meena.
II. Meena is the mother of Robin.
III. Seema is the sister of Robin.

  1. Only the data in statements (I) and (II) is sufficient to answer the question.
  2. Only the data in statements (I) and (III) is sufficient to answer the question.
  3. Only the data in statements (II) and (III) are sufficient to answer the question.
  4. The data in all the statements together is not sufficient to answer the question.
  5. The data in all the statements together is sufficient to answer the question.
Question 3 Multiple Choice (Single Answer)

Directions: The question below is followed by two statements I and II. You have to decide whether the data provided in the statements is sufficient to answer the question. Read both the statements and choose the correct alternative.

What is the mother's present age?
I. Present ages of mother and child are in the ratio 5 : 1.
II. Four years hence, the ratio of the ages of mother and child will be 17 : 5.

  1. 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.
  2. 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.
  3. The data in statement I alone or in statement II alone is sufficient to answer the question.
  4. The data in both the statements I and II is not sufficient to answer the question.
  5. The data in both the statements I and II together is necessary to answer the question.
Question 4 Multiple Choice (Single Answer)

Directions: The question below is followed by two statements I and II. You have to decide whether the data provided in the statements is sufficient to answer the question. Read both the statements and choose the correct alternative.

Among L, M, N, P and R, each having a different level of intelligence, who is the most intelligent?
Statements:
I. L is less intelligent than M, and N is less intelligent than P.
II. M is less intelligent than N, and L is more intelligent than R.

  1. 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.
  2. 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.
  3. The data in statement I alone or in statement II alone is sufficient to answer the question.
  4. The data in both the statements I and II is not sufficient to answer the question.
  5. The data in both the statements I and II together is necessary to answer the question.
Question 5 Multiple Choice (Single Answer)

Directions: The question below is followed by two statements I and II. You have to decide whether the data provided in the statements is sufficient to answer the question. Read both the statements and choose the correct alternative.

What will be Shyam’s age after 6 years?

I. The ratio of present ages of Ram and Shyam is 4 : 3.

II. Ram is seven years older than Shyam.

  1. 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.
  2. 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.
  3. The data in statement I alone or in statement II alone is sufficient to answer the question.
  4. The data in both the statements I and II is not sufficient to answer the question.
  5. The data in both the statements I and II together is necessary to answer the question.
Question 6 Multiple Choice (Single Answer)

Directions: The question below is followed by two statements I and II. You have to decide whether the data provided in the statements is sufficient to answer the question. Read both the statements and choose the correct alternative.

How many children does B have?

I. C and D are the only children of M.

II. M, who is the cousin of B, has only one daughter.

  1. 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.
  2. 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.
  3. The data in statement I alone or in statement II alone is sufficient to answer the question.
  4. The data in both the statements I and II is not sufficient to answer the question.
  5. The data in both the statements I and II together is necessary to answer the question.
Question 7 Multiple Choice (Single Answer)

Directions: The question below is followed by three statements I, II and III. Read all the statements carefully and find out which of the given statements is/are sufficient to answer the question. Choose the correct alternative.

Four subjects: Physics, Chemistry, Mathematics and Biology, were taught in four consecutive periods of one hour each, starting from 9:00 a.m. At what time was the Chemistry period scheduled?
Statements:
I. Mathematics period ended at 11:00 a.m, which was preceded by Biology.
II. Physics was scheduled in the last period.
III. Mathematics period was immediately followed by Chemistry.

  1. Only I
  2. Either I only or II only
  3. Only II
  4. Only II and III
  5. Only either I and II, or I and III
Question 8 Multiple Choice (Single Answer)

Directions: The question below is followed by two statements I and II. You have to decide whether the data provided in the statements is sufficient to answer the question. Read both the statements and choose the correct alternative.

Chetna's birthday is on which day of the month?
I. Chetna's brother correctly remembers that Chetna's birthday is after 15th but before 20th of the month.
II. Chetna's sister correctly remembers that Chetna's birthday is after 18th but before 24th of the month.

  1. 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.
  2. 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.
  3. The data in statement I alone or in statement II alone is sufficient to answer the question.
  4. The data in both the statements I and II is not sufficient to answer the question.
  5. The data in both the statements I and II together is necessary to answer the question.
Question 9 Multiple Choice (Single Answer)

Directions: In the following problem, a question is followed by three statements I, II and III. You have to decide whether the data given in the statements is sufficient to answer the question. Read all the statements carefully and find out which of the given statements is/are sufficient to answer the given question. Choose the correct alternative.

In a certain code, ‘XYZ’ means ‘we are cousins’. Which letter stands for ‘we’?

Statements:
I. ‘PYN’ means ‘They are classmates’.
II. ‘MXS’ means ‘Cousins love them’.
III. ‘OX’ means ‘Hello cousins’.

  1. Only I and II
  2. Only I and III
  3. All I, II and III
  4. Either I and II or I and III
  5. None of these
Question 10 Multiple Choice (Single Answer)

Directions: The question below is followed by two statements I and II. You have to decide whether the data provided in the statements is sufficient to answer the question. Read both the statements and choose the correct alternative.

Which 2-digit number is it?

I. Sum of the digits is 6.
II. The digit at ten's place is double the digit at unit's place.

  1. 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.
  2. 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.
  3. The data in statement I or in statement II alone is sufficient to answer the question.
  4. The data in both statements I and II together is necessary to answer the question.
  5. The data in both statements I and II is not sufficient to answer the question.
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