Practice Data Sufficiency Questions and Answers

• What is the age of C, in a group of A, B, C, D and E whose average age is 50 years? Statement I:  Average of the age of D and E is 47 years? Stateme...
• The ratio between the present ages of the Mohit and Rekha is 2:3. Find the present age of the Rekha. I: Difference between the present ages of the Priya an...
• What is the area of the hall? I: Total cost (Labour + Material) of flooring the hall is Rs. 29,000  II: Labour cost of flooring the hall is Rs. 6,000....
• What is the speed of man in still water? Statement I : The speed of man in still water is twice the speed of the stream. Statement II : In 30 minutes, ...
• What was the profit earned by selling an article? I: The article was sold for Rs 850 after getting a discount of 15% on the labelled price. II: A profit of...
• A man invested a sum of Rs 25,000. He invested some part at 5 % p.a. and remaining at 5.5% p.a. How much money did he invest at 5 % p.a.? Statement I: T...
• There are 7 people in a group. Average age of the group decreases by 5 when two more people join the group. Find the average age of the new group. Stateme...
• What is the area of the circular field? Statement I:  The area of the largest square that can be inscribed in the given circular field is 6400 sq. cm...
• What is the sum of two numbers?   I. Difference between the numbers is (1/5)  of their product.   II. Difference between the numbers is 20% of their pro...
• 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?   I.The average of six consecutive odd numbers is 8.   II. The sum of six consecutive odd numbers is 48....
• In how many days 6 girls and 4 boys together can complete a work? A. 18 girls together can complete a work in 10 days. B. 10 boys can complete three-four...
• P, Q and R together invested an amount of Rs. 55,000 in the ratio of 5:2:4 for different period of time. What was the amount of profit earned by them indiv...
• 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 ag...
• What is rate of interest percent per annum? A.  The amount becomes Rs.75,712 at compound interest after 2 years. B.  The same amount at simple...
• 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 on...
• In a company there are supervisors and clerks. The total monthly salary of the employees is Rs. 10.5 Lakh. What is the total number of employees in that co...
• What is the age of Arjuna, in a group of Yudhisthira, Bheema, Arjuna, Nakula and Sehdeva whose average age is 45 years? Statement I: Average of the age o...
• The ratio between the present ages of the Manan and Naman is 1 : 3. Find the present age of the Naman. I: Difference between the present ages of the Kanan ...
• There are two cylindrical rollers - bigger and smaller. How many rotations will the bigger roller take to flatten a stretch of land (X)? Statement I: The...
• What is the profit%/loss% incurred by selling an article for Rs. 44,000? Statement I: The difference between the cost price and the selling price is Rs...
• In how many days, men Lal, Bal and Pal together can finish the same piece of work Statement I: Lal and Bal can together finish the same piece of work in 12...
• What is the total cost of painting a conical flask at the rate of Rs. 60 per square metre? Statement I : The radius and the height of the flask are 42 m a...
• A shopkeeper sells a homogeneous mixture of A and B at a rate of Rs 320 per kg. Find the profit percentage of the shopkeeper. Statement I : he brought A a...
• What is the speed of boat in still water? Statement I: The boat can cover 24 km downstream distance in 4 hours. Statement II : Speed of the stream is Tw...
• How many students passed in first class? I. 75% of the students who appeared in the examination have passed in first or second or third class. II. 800 st...
• In how many days will 8 men complete a task? I. Five men, three children and two women together can complete the task in 12 days.  II. Eight women complet...
• What was the price of House P last year? I. The ratio of the price of two houses P to Q was 3:4 last year. II. This year, the price of houses P has increas...
• What is the principal? I. The simple interest obtained on the principal after 2 years at 16% rate of interest is Rs 140.8 less than the compound interest o...
• Ramu gained how much by selling his product in June 2017? I. He earned 40% more profit in July 2017 as compared to May 2017. II. In June 2017 he earned 10%...
• What is the principal amount? Statement I:  The Simple Interest obtained on the principal after 3 years at 10% rate of interest is Rs 580 less than t...
• What is the speed of boat in still water? Statement I:  The boat can cover 16 km downstream distance in 2 hours. Statement II:  Speed of the st...
• Jolly borrowed some money at compound interest for 4 years. What will be the amount required to return after 4 years? Statement I:  If the amount was...
• Retailer gained how much by selling his products in November 2017? Statement I:  He earned 25% more profit in December 2017 as compared to October 20...
• In how many days 8 boys and 6 girls can complete the work working together? Statement I:  The ratio of efficiency of boy to girl is 3:1 Statement...
• Rohit, Dhawan, Virat, Dhoni and Mayank a re five friends. Their mean age is 28. What is the age of Virat ? Statement I :  Rohit’s age is 28 St...
• What is the area of the Room? Statement I:  Total cost of flooring the tiles in room is Rs. 43500. Statement II:  Labour cost of flooring the r...
• What are the marks obtained by Nannu in Accounts? Statement I:  Marks obtained in English is as much more than that in Economics as the marks obtaine...
• How many people are there in a Bus? Statement I:  There are 225 females in the Bus. Statement II:  25% of passengers are males and 15% are chil...
• Find the rate of interest per annum ? I. The CI in 12 years is more than the amount. II. The difference between SI and CI in 3 years is Rs.1200 III. An amo...