The difference between the two digits of a two-digit number is 2. What is the number?

I. The digit at the unit’s place is bigger than the ten’s digit.

II. The sum of the two digits is 10.

- Who among the following among C and A is elder? i. Age of A, 6 years hence is equal to the sum of 2/3rd of present age of C and 1/5th present age of B. ii. B is 18 years elder than his son and A is 12 years elder than B's son. iii. Double the present age of A is equal to the age of C 12 years hence.
- 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 digit. II. The sum of the two digits is 8.
- 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 salary of Rohan and Sohan together for one year is Rs.192000.
- 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 hours while running upstream.
- 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 obtained on the same principal after 2 years at 16% per annum. II. The sum becomes double in 10 years at 6% per annum. III. The compound interest obtained on the principal is Rs 1,830.4 after 2 years at the rate of 8% compounded annually.
- 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 of Nakula and Sehdeva is 47 years. Statement II: Average of the age of Yudhisthira and Bheema is 53 years.
- Rohit, Dhawan, Virat, Dhoni and Mayank are five friends. Their mean age is 28. What is the age of Virat? Statement I : Rohit’s age is 28 Statement II : Dhawan’s age is 6 years less than Mayank and Mayank’s age is 10 years less than Dhoni. Statement III : Virat’s age is 12 years more than Dhawan’s age and 6 years more than Mayank’s age.
- 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 cm³.
- 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 age of a class teacher? I. There are 13 students in the class. II. The average age of students and the teacher is 16 years. III. The average age of the teacher and the students is 4 years more than that of the students.

More Data Sufficiency Questions

×

×