Learn and practice Problems on Data Sufficiency with easy explaination and shortcut tricks. All questions and answers on Data Sufficiency covered for various Competitive Exams.

In this type of reasoning questions, each question is followed by two statements numbered I and II. You are required to analyze the data of both the statements and decide whether the statements are sufficient to answer the question. After analyzing the statements, you have to choose the appropriate answer out of the four answer choices which are as follows;

- If the statement I alone is sufficient to answer the question, but statement II alone is not sufficient
- If the statement II alone is sufficient to answer the question, but the statement I alone is not sufficient
- Either I or II alone is sufficient to answer the question
- If the data in both the statements together are not sufficient to answer the question
- If the data in both the statements are needed to answer the question

## Solve Problems:

1) What is Geeta’s rank in the class?

I. There are 30 students in the class.

II. There are 10 students who scored less than Geeta.

- Statement I alone is sufficient, but statement II alone is not sufficient
- Statement II alone is sufficient, but statement I alone is not sufficient
- Either I or II is sufficient
- Data in both the statements together are not sufficient
- Both I and II are needed

2) Who is the mother of B?

I. P and Q are sisters.

II. Q’s husband is the brother of B’s husband.

- Statement I alone is sufficient, but statement II alone is not sufficient
- Statement II alone is sufficient, but statement I alone is not sufficient
- Either I or II is sufficient
- Data in both the statements together are not sufficient
- Both I and II are needed

#### Solve:

3) It is 6:00 pm, when can Deepak get next bus from Noida to Delhi?

I. Buses for Delhi leave after every 30 minutes, until 11 pm.

II. 20 minutes ago, a bus has left for Delhi.

- Statement I alone is sufficient, but statement II alone is not sufficient
- Statement II alone is sufficient, but statement I alone is not sufficient
- Either I or II is sufficient
- Data in both the statements together are not sufficient
- Both I and II are needed

4) When is Rahul’s birthday this year?

I. It is between March 8 and 10, March 8 being the Wednesday.

II. It is not on Friday.

- Statement I alone is sufficient, but statement II alone is not sufficient
- Statement II alone is sufficient, but statement I alone is not sufficient
- Either I or II is sufficient
- Data in both the statements together are not sufficient
- Both I and II are needed

#### Solve:

5) On which day of the week did Sohan reach Mumbai?

I. Sohan left Delhi by train on Wednesday.

II. Sohan stayed in Jaipur for one day and completed his journey in two days.

- Statement I alone is sufficient, but statement II alone is not sufficient
- Statement II alone is sufficient, but statement I alone is not sufficient
- Either I or II is sufficient
- Data in both the statements together are not sufficient
- Both I and II are needed

6) How many brothers does Rahul have?

I. Rahul’s father has three children.

II. Rahul has one sister.

- Statement I alone is sufficient, but statement II alone is not sufficient
- Statement II alone is sufficient, but statement I alone is not sufficient
- Either I or II is sufficient
- Data in both the statements together are not sufficient
- Both I and II are needed

#### Solve:

7) Deepak, Rahul, Manoj, and Kapil are brothers. Who is the heaviest?

I. Rahul is heavier than Deepak and Kapil, but lighter than Manoj.

II. Deepak is lighter than Rahul and Manoj, but heavier than Kapil.

- Statement I alone is sufficient, but statement II alone is not sufficient
- Statement II alone is sufficient, but statement I alone is not sufficient
- Either I or II is sufficient
- Data in both the statements together are not sufficient
- Both I and II are needed

8) Sohan ranks fifth in the class. How many students are there in the class?

I. His friend ranks 52^{th} which is the last rank in the class.

II. Sohan’s rank from the last is 48^{th}.

- Statement I alone is sufficient, but statement II alone is not sufficient
- Statement II alone is sufficient, but statement I alone is not sufficient
- Either I or II is sufficient
- Data in both the statements together are not sufficient
- Both I and II are needed

#### Solve:

9) At what time did Rahul leave home for office?

I. Rahul had his breakfast at 9:20 am at home.

II. Rahul reached office at 10:20 am, 30 minutes after he left home.

- Statement I alone is sufficient, but statement II alone is not sufficient
- Statement II alone is sufficient, but statement I alone is not sufficient
- Either I or II is sufficient
- Data in both the statements together are not sufficient
- Both I and II are needed

10) When is Deepak’s birthday?

I. Deepak’s mother was born on 22 May 1970.

II. Deepak is 28 years younger than his father.

- Statement I alone is sufficient, but statement II alone is not sufficient
- Statement II alone is sufficient, but statement I alone is not sufficient
- Either Statement I or II is sufficient
- Data in both the statements together are not sufficient
- Both I and II are needed