RRB NTPC Data Sufficiency Questions

What is the average age of three friends A, B, and C? Statement I: A's age is 24 years. Statement II: B's age is 6 years more than A's age, and C's age is 3 years less than B's age.

Is the number x divisible by 12? Statement I: x is divisible by 3 and 4. Statement II: x is divisible by 6 and 8.

What is the cost price of an article? Statement I: The article is sold at a profit of 25%. Statement II: The selling price of the article is Rs. 500.

A person invests money in two schemes: Scheme A offers 8% simple interest per annum, and Scheme B offers 6% simple interest per annum. Statement I: The person invests Rs. 5,000 in Scheme A. Statement II: The person invests Rs. 3,000 in Scheme B. What is the total interest earned after 2 years from both schemes combined? A) Statement I alone is sufficient B) Statement II alone is sufficient C) Both statements together are sufficient D) Both statements together are not sufficient

A shopkeeper sells two types of items. The cost price of item A is Rs. 500 and the cost price of item B is Rs. 300. He sells item A at a profit of 20% and item B at a loss of 10%. Statement I: The selling price of item A is Rs. 600. Statement II: The selling price of item B is Rs. 270. What is the profit or loss percentage on the total transaction if he sells 5 units of A and 3 units of B? A) Statement I alone is sufficient B) Statement II alone is sufficient C) Both statements together are sufficient D) Both statements together are not sufficient

A train travels from City X to City Y. Statement I: The distance between X and Y is 480 km. Statement II: The train's average speed is 60 km/h. What is the time taken by the train to travel from X to Y? A) Statement I alone is sufficient B) Statement II alone is sufficient C) Both statements together are sufficient D) Both statements together are not sufficient

A rectangular garden has a perimeter of 100 meters. Statement I: The length of the garden is 30 meters. Statement II: The width of the garden is 20 meters. What is the area of the garden? A) Statement I alone is sufficient B) Statement II alone is sufficient C) Both statements together are sufficient D) Both statements together are not sufficient

A mixture contains milk and water in a certain ratio. Statement I: The mixture contains 60 liters of milk. Statement II: The ratio of milk to water is 3:2. What is the total quantity of the mixture? A) Statement I alone is sufficient B) Statement II alone is sufficient C) Both statements together are sufficient D) Both statements together are not sufficient

A shopkeeper sells three types of items: A, B, and C. The cost price of A is Rs. 100. Statement I: The profit percentage on A is 20%, and the profit on B is Rs. 30 more than the profit on A. Statement II: The selling price of C is Rs. 180, and the cost price of C is 25% less than the cost price of B. What is the cost price of B? (A) Statement I alone is sufficient (B) Statement II alone is sufficient (C) Both statements together are sufficient (D) Neither statement alone nor together is sufficient

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