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Data Sufficiency

Description: Data Sufficiency
Number of Questions: 10
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Tags: Data Sufficiency Estimation in Percentage
Attempted 0/10 Correct 0 Score 0

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


Correct Option: D
Explanation:

Given statement: PYC means we are friends. Statement I: ‘XYZ’ means “they are classmates”. Statement II: ‘CMS’ means “we love them”. Statement III: ‘PR’ means “Hello friends”. From II and given statement: C means "we". Or From I, III and given statement: Y means "are" and P means "friends", which implies that C means "we". Option (4) is correct.

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.


Correct Option: D
Explanation:

The gender of Robin is not given, i.e. Robin can be a boy or a girl. Hence, option (4) is the correct 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.


Correct Option: D
Explanation:

Combining both the statements, we can find her present age.

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.


Correct Option: D
Explanation:

Statement I: L < M and N < P Statement II: M < N and R < L Combining both the statements,we get R < L < M < N < P Hence, P is the most intelligent. 

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.


Correct Option: D
Explanation:

Statements I and II alone are not sufficient as we cannot get the exact age. Combining both the statements, we can calculate the age.

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.


Correct Option: D
Explanation:

Both I and II together are not sufficient to answer the question as nothing is mentioned about the children of B. So, option (4) is correct.

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


Correct Option: D
Explanation:

From I and II, Mathematics period began at 10:00 a.m. Biology period began at 9:00 a.m. and Physics period began at 12:00 p.m. Chemistry period began at 11:00 a.m. From I and III, we conclude that Mathematics period ended at 11:00 a.m. and Chemistry period began at 11:00 a.m.

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.


Correct Option: D
Explanation:

Clearly, no conclusion can be drawn about who read the book last, even after using the data from both the statements.

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


Correct Option: D
Explanation:

I.    Code of Y is ‘are’. II.   Code of X is ‘cousins’. III.  Code of Z is 'we'.

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.


Correct Option: D
Explanation:

Statement I alone is not sufficient as the number could be 42, 24, 51, 15, 60 or 33. Statement II alone is not sufficient as the number could be 84, 63, 42 or 21. Combining the statements I and II, we get the number as 42.

Hence, option (4) is the correct answer. 

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