## Data Sufficiency Quiz for IBPS RRB Exams

**Directions (Q. 1-5): Each of the following questions consists of a question followed by three statements I, II and III. You have to study the question and the statements and decide which of the statement(s) is/are necessary to answer the question.**

**1. What is the speed of a boat in still water?**

I.The boat covers 12 km in 2 hours downstream.

II.The boat covers the same distance in 4 hours upstream.

III.The speed of the stream is one-third that of the boat in still water.

1) Both I and II

2) I and either II or III

3) All I, II and III

4) The question cannot be answered even with the information in all three statements.

5) None of these

**2. What is the speed of a train?**

I.The length of the train is 240 metres.

II.The train crosses a pole in 24 seconds.

III.The train crosses a platform in 48 seconds.

1) Both I and III

2) Both I and II

3) Both II and III

4) Any two of the three

5) None of these

**3. What is the age of a class teacher ?**

I.There are 11 students in the class.

II.The average age of the students and the teacher is 14 years.

III.The average age of the teacher and the students is 3 years more than that of the students.

1) Both I and III

2) Both I and II

3) II and either I or III

4) All I, II and III

5) None of these

**4. Sri Gupta borrowed a sum at compound interest. What is the amount returned in 2 years ?**

I.The rate of interest is 5% per annum.

II.The simple interest incurred on the sum in 1 year is ₹ 600.

III.The borrowed sum is ten times the amount earned at simple interest in two years.

1) Only I

2) Only III

3) Both II and III

4) Either I or III

5) All I, II and III

**5. What is the area of a given right-angled triangle?**

I.The length of the hypotenuse is 5 cm.

II.The perimeter of the triangle is four times that of its base.

III.One of the angles of the triangle is 60°.

1) Only II

2) Only III

3) Either II or III

4) Both I and III

5)Question cannot be answered even with the information in all three statements

**Directions (Q. 6-10): Each of the questions below consists of a question and two statements I and II given below it.**

You have to decide whether the data provided in the statements are sufficient to answer the question. Read both the statements and Give answer

1) if the data in statement I alone are sufficient to answer the question, while the data in statement II alone are not sufficient to answer the question.

2) if the data in statement II alone are sufficient to answer the question, while the data in statement I alone are not sufficient to answer the question.

3) if the data either in statement I alone or in statement II alone are sufficient to answer the question.

4) if the data given in both the statements I and II together are not sufficient to answer the question.

5) if the data in both statements I and II together are necessary to answer the question.

**6. What is the present age of Sohan?**

I. The ratio of the present ages of Sohan and Ravi is 5 : 2.

II.After 10 years, the age of Sohan will be 200% of the age of Ravi.

**7. In a two-digit number the difference between the digit at ten’s place and the digit at unit’s place is 3. Find the number.**

I. The difference between the two-digit number and the number obtained by interchanging the digits of the two-digit number is 27.

II.The sum of the digits of the two-digit number is 13.

**8. Is x² + y² an even number?**

I. x and y are positive integers.

II.x and y are odd numbers.

**9. What is the average of marks scored by Rohit in Hindi and English?**

I. He scored a total of 180 marks in Hindi, English and Maths and marks scored by him in Maths is of the total marks scored by him in all three papers.

II. The ratio of marks scored by him in Hindi, English and Maths is 7 : 5 : 6.

**10. A person borrowed a sum of money at compound interest. Find the rate of interest.**

I. The compound interest received on the same amount and at the same rate in three years is ₹ 364.

II.The amount borrowed is 250% of the simple interest accrued in two years at the same rate of interest.

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**Answers:**

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