Every year, the Railway Recruitment Board (RRB) organizes recruitment drives to select candidates for the different India Railway posts. As we know, RRB is an organization under the Government of India. Mainly, Indian railway has 17 RRB zones. The Railway Recruitment Board has decided to recruit candidates for the available posts such as Accounts Clerk cum Typist, Junior Clerk cum Typist, Goods Guard, Junior Time Keeper, Traffic Assistant, Trains Clerk, Senior Time Keeper, Senior Clerk cum Typist, Commercial cum Ticket Clerk, Senior Commercial cum Ticket Clerk, Junior Account Assistant cum Typist, Station Master and Commercial Apprentice in different Railways Zonal and Production Units of Indian Railways.

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**Data Sufficiency for RRB NTPC Exam 2022**

**Note: The question is followed by two statements, use the provided details and check whether the given details are adequate to solve the problem.**

**Question 1: **Rani was waiting for her turn at a candy shop in a queue, what is Rani’s position from the back end of the queue?

Statement 1: Rani is standing at the 35^{th} place from the front end of the queue and there are a total 6 members standing between Rada and Rani.

Statement 2: The total number of people in the queue is 82.

- Statement 1 alone is adequate but statement 2 is not adequate.
- Both statements are adequate.
- Statement 2 alone is adequate but statement 1 is not adequate.
- Both statements are not adequate.

**Question 2: **A basket contains 20 balls, where some balls are green and the rest are red. If a ball is randomly picked out from the basket, then what is the probability that the ball withdrawn is red?

Statement 1: Initially, there were 12 green balls in the basket.

Statement 2: The number of red balls in the basket is more than the number of green balls in the basket initially.

- Statement 1 alone is adequate, but statement 2 is not adequate.
- Statement 2 alone is adequate, but statement 1 is not adequate.
- Each statement individually is adequate.
- Both the statements together are adequate.
- Both the statements together are not adequate.

**Question 3:** There are 5 distinct integers, among these 5 what is the largest integer?

Statement 1: The average of the 5 integers is less than the largest integer by 4.

Statement 2: Among the 5 integers given, the smallest integer is 123.

- Statement 1 alone is adequate, but statement 2 is not adequate.
- Statement 2 alone is adequate, but statement 1 is not adequate.
- Each statement individually is adequate.
- Both the statements together are adequate.
- Both the statements together are not adequate.

**Question 4:** When N is divided by 73, what is the remainder?

Statement 1: The remainder is 27, when 2N is divided by 73.

Statement 2: It leaves a remainder of 23, when N is divided by 27.

- If the question can be solved by using statement 1 alone, but not by using statement 2 alone.
- If the question can be solved by using statement 2 alone, but not by using statement 1 alone.
- If the question can be solved by using both the statements together, but not by using either of the statements alone.
- If the question can be solved by using either of the statements alone.
- If the question cannot be solved with two of these

**Question 5:** The median of 11 positive integers is 15, and seven among the 11 integers are 8, 12, 20, 6, 14, 22 and 13.

Statement 1: The difference between the averages of four smallest integers and largest integers is 13.25.

Statement 2: 16 is the average of all the 11 integers.

- Statement 1 is adequate.
- Statement 2 is adequate.
- Both the statements are necessary.
- Neither statement 1 nor statement 2 is adequate.
- Either statement 1 or statement 2 is adequate.

**Question 6:** In trapezoid PQRS, PS is parallel to QR. PQ and SR are extended to meet at A. find the value of angle$ PAS?

Statement 1: PQ = 3, RS = 4, and angle$ QPS = 60 ͦ

Statement 2: PS = 10, QR = 5

- Statement 1 alone is adequate.
- Statement 2 alone is adequate.
- Both statements together are adequate, but neither of the two alone is adequate to solve the question.
- Either of two statements alone is adequate to solve the question.
- Both the statements are inadequate to solve the question.

**Question 7:** In the equation given below, the letters represent digits.

(PQ). (RQ) = XXX, determine the sum of P+Q+R+X.

Statement 1: X = 9

Statement 2: Digits are unique.

- Statement 1 alone is adequate.
- Statement 2 alone is adequate.
- Both statements together are adequate, but neither of the two alone is adequate to solve the question.
- Either one of the statements alone is adequate.
- Neither statement 1 nor statement 2 is required to solve the question.

**Question 8:** a, b, c, d and e are five consecutive natural numbers. Check whether ‘b’ is even?

Statement 1: The product of all the five terms is even.

Statement 2: The sum of all the five terms is even.

- If the question can be solved by using statement 1 alone but not by statement 2 alone.
- If the question can be solved by using statement 2 alone but not by statement 1 alone.
- If the question can be solved by using both statement 1 and statement 2 together but not by either of the statements
- If the question can be solved by using either of the statements alone.
- If the question cannot be solved with two of the statements.

**Question 9:** A triangle is drawn inside a circle, and a square is drawn inside the triangle. Here all the 4 vertices of the square lie on the side of the triangle and the base of the square lies on the base of the triangle. Then, what is the area of the square?

Statement 1: The circle’s perimeter is 44cm.

Statement 2: The circle area is 154 cm^2.

- Statement 1 alone is adequate, but statement 2 is not adequate.
- Statement 2 alone is adequate, but statement 1 is not adequate.
- Both the statements together are adequate.
- Statement 1 and statement 2 is individually adequate.
- Both the statements together are not adequate.

**Question 10:** Virat Kohli and Rohit Sharma are India’s highest scorers of 2017. The cricketer’s average is determined as the number of runs scored by an individual divided by the number of dismissed times. Also, batsman’s strike rate is defined as frac (textrm( No of runs scored)) (textrm( No of balls faced))*100. In the beginning of the year, Rohit averaged 47.54 and Virat averaged 53.55. Kohli’s strike rate till last year was 91 and that of Rohit was 87. In 2017, both Kohli and Sharma played an equal number of matches. Find who averaged more at the end of 2017?

Statement 1: Till 2016, Rohit had played a total of 180 matches and where Kohli had played 192 matches. And in 2017, Virat from his 20 matches scored 900 runs and Rohit scored 1700 runs.

Statement 2: In 2017, Virat was dismissed 14 times and where Rohit for 10 times.

- Statement 1 alone is adequate.
- Statement 2 alone is adequate.
- Either of two statements alone is adequate.
- Both the statements are required to solve the question.
- The question cannot be solved by using both statement 1 and statement 2 together.

**Question 11:** Raj, Mohan and Ram are friends, who have a certain number of balls and balloons with them. The total number of balls and balloons with them are 18. The number of balls and balloons with each of them is different but each has at least one ball and one balloon. Where, each has more balloons than balls. Find the total number of balls and balloons with Mohan?

Statement 1: The total number of balls is 6, where Mohan has 3 balloons.

Statement 2: The number of balls with Raj is less than that with Mohan and Ram. But Raj has more quantities than Mohan.

- Choose ‘a’ if the answer can be solved by using either statement alone.
- Choose ‘b’ if the answer can be solved by using only one statement.
- Choose ‘c’ if the answer can be solved by using both the statements together.
- Choose ‘d’ if the answer cannot be solved by using both the statements together.

**Question 12:** Two girls P and Q are standing some distance apart. And began moving towards each other, after a time (t) seconds they met at a point. Now find, what was the distance between P and Q before they started moving towards?

Statement 1: V1 and V2 are the speed of P and Q respectively.

Statement 2: The ratio of speeds P and Q is 2:3.

- If the terms in statement 2 alone are adequate to solve the question but statement 2 is not.
- If the terms in statement 1 alone are adequate to solve the question but statement 2 is not.
- If the terms in both the statements together are adequate to solve the question.
- If terms in either statement alone are adequate.
- If terms in both statements together are not adequate to solve the question.

**Question 13:** The decimal representation of a, where 0 < a < 1, is the 10^{th} place digit a non-zero number?

Statement 1: An integer 16a

Statement 2: An integer 32a

- If the details in statement 1 alone are adequate to solve the question, but statement 2 alone is not.
- If the details in statement 2 alone are adequate to solve the question, but statement 1 alone is not.
- If details of both statements together are adequate to solve the question.
- If details in either statement alone are adequate.
- If details in both statements together are not adequate to solve the question.

**Question 14:** Check whether the positive integer X is divisible 12?

Statement 1: The remainder will be 4, when X is divided by 16.

Statement 2: The remainder will be 6, when X is divided by 18.

- If the details in statement 1 alone are adequate to solve the question but statement 2 is not.
- If the details in statement 2 alone are adequate to solve the question but statement 1 is not.
- If the details in both the statements together are adequate to solve the question.
- If the details in either statement alone are adequate.
- If the details even in both statements together is not adequate to solve the question.

**Question 15:** Is Q larger than S?

Statement 1: P is larger than Q, which is smaller than R.

Statement 2: R is larger than S, which is larger than P.

- Statement 1 alone is adequate to solve the question.
- Statement 2 alone is adequate to solve the question.
- Either statement alone is adequate to solve the question.
- Both statements together are adequate to solve the question.
- Both statements together are not adequate to solve the question.

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Above we have covered all the important Data sufficiency topics for RRB NTPC Examination. Entri provides candidates with all the tips to prepare for their upcoming railway exams. Moreover, constant practice is the key to your success. Candidates are informed to start their exam preparation now itself. Wishing Good Luck to all the aspirants out there!