Practice Data Sufficiency Questions and Answers

• What is the area of a rhombus? I. Length of one diagonal of the Rhombus is 50 cm. II. Length of other diagonal of the Rhombus is 30 cm. ...
• What is the smallest number of the six numbers?   Statement I:  The average of six consecutive odd numbers is 8.   Statement II:  The sum of six cons...
• What is a two-digit number? I. The difference between the two digit is 5. II. First digit is smaller than the second digit. ...
• If diameter of a circle is increased by 25%, what will be the area of the circle?   I. Circumference of the circle is 88 m.   II. Area of the circle is 6...
• P, Q and R together can complete a work in 12 days. All of them worked together for 6 days and then P left. How much time will Q and R together take to com...
• What is the yearly salary of Mr. Rohan? Statement I:  Sohan earns Rs. 44000 more than Mohan in a year who earns Rs. 16000 more than Rohan per annum. ...
• The cost price of an article is Rs. 600. How much profit did a trader get by selling the article, if it was sold at 15% discount? I: The trader marked the...
• How much time will train A take to cross a platform of length 400 m? Statement I:  The train A crosses another train B in 40 seconds. Statement II:  Bo...
• A trader allows two successive discounts of x% and y% on the marked price of an article. Is the selling price of the article less than Rs. 18,000? I: The c...
• What is the speed of the stream? I. The boat covers a distance of 54 km in 3 hours while running downstream. II. The boat covers the same distance in 6 hou...
• What is the length of a wooden board of width 6 metres and thickness one-third of the width? I. Surface area of the board is 152 m². II. Volume of the boa...
• What is the value of number x ? I.  The HCF of  x and 16 is 8.   II. The LCM of  x and 16 is 48 ...
• Find the number of females in an office. I. The ratio of number of males to females is 5: 4. II. The number of males is 25% more than the number of females...
• In how much time will a train running with a speed of 72 km/hr cross the second train? Statement I:  The length of the two trains is 80 metres and 100 me...
• How much time does A take alone to complete the work? I. B alone takes 45 days, while A and B together take 15 days to complete the work. II. A and B can d...
• If the length of the room is 10 m, then what is the height of the room? I. The cost of painting the walls of the room at the rate of Rs. 25 per sq metre is...
• What is the downstream speed of the boat? Statement I:  The speed of the boat is 15 km/hr. Statement II:  The boat rows up a river 30 km in 6 h...
• In how much time will a train running at a speed of 48 km/hr cross the other train running in opposite direction? Statement I:  The length of the two...
• What is the monthly salary of Varun? Statement I:  Varun spends one-third of his salary on rent, one –fifth on household expenses, one – sixth on tra...
• What is the total number of students in a college? I. In the college 25% of the students are between 17 to 22 years of age, and 40% of the remaining are ab...
• What will be the cost of painting the four walls of a room if the rate of painting is Rs. 20 per square metre? I. Perimeter of the floor is 52 m. II. Heigh...
• P, Q and R together can complete a work in 12 days. All of them worked together for 6 days and then P left. How much time will Q and R together will take t...
• What is the yearly salary of Mr. Rohan? I. Sohan earns Rs. 44000 more than Mohan in a year who earns Rs. 16000 more than Rohan per annum. II. The total sal...
• The cost price of an article is Rs. 600. How much profit did a trader get by selling the article, if it was sold at 15% discount?  I. The trader marke...
• How many students in a class can write both French and Spanish? I. In the class, 25% of the total students can write Spanish and two-fifth of the remaining...
• By selling a product for Rs.520 how much profit was earned? I. 12% discount on the market price. II. The profit was one- third of the cost price.
• What is the rate of interest per annum ? I. Difference between CI and SI for 2 years on an amount of Rs. 15,000 at the rate is Rs. 96. II. The amount doubl...
• A train crosses another train running in the opposite direction in 20 seconds. What is the speed of the train? I. Both the trains’ are running at the...
• The difference between the two digits of a two – digit number is 6. What is the number? I. The digit at unit place is bigger than the ten’s dig...
• What is the present age of mother? I. The difference between the ages of mother and daughter is 45 years. II. The present age of daughter is 1/4th of the p...
• What is the profit percent or loss percent incurred in the transaction? I. 5% discount is given on the marked price. II. Cost price is 10% more than the ma...
• In each of the following questions, a question is followed by information given in three statements. You have to study the question along with the stateme...
• In each of the following questions, a question is followed by information given in three statements. You have to study the question along with the stateme...
• At what time will a train reach city P from city Q? I. The 600 meter long train crosses a signal pole in 20 seconds. II. The another train crosses a 400 m ...
• What is the area of a circular field? I. The area of the largest square that can be inscribed in the given circular field is 450 cm². II. The area of the ...
• What is the curved surface area of a right circular cylinder? I. The area of the base of the cylinder is 154 cm². II. The volume of the cylinder is 1540 c...
• If a rope is cut into 3 pieces of unequal length, what is the length of the shortest of these pieces? I. The combined length of the 2 longer pieces of the ...
• What was the sum of the ages of the father and the daughter 5 years earlier? A.  Ratio of the father’s present age to the daughter’s age after 5 yea...
• Find the area of a rhombus. A.  Sum of the squares of the diagonals is 256 m². B.  Perimeter of the rhombus is 32 m. C.  Ratio of one d...
• How much profit did the company earn in the year 2016? I) The company earned 45% more profit in the year 2017 than that in the year 2015. II) The company e...