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.

- What will be the compound interest earned on a sum in two years? I. The simple interest on the same amount at the same rate of interest in two years is Rs. 800. II. The amount becomes more than double at compound interest in 10 years. III. The simple interest on the same amount at the same rate of interest in three years is Rs. 1,200.
- In an institute employing managers, observers and assistants, what is the monthly salary of an assistant? I. Each observer gets Rs 16,000 per month more than an assistant. II. An observer and an assistant together get Rs 42,000 per month. III. The total salary per month of a manager and an observer is Rs 76,000.
- How much profit did the company earn in the year 2016? Statement I : The company earned 45% more profit in the year 2017 than that in the year 2015. Statement II : The Company earned a total profit of Rs. 25 crores in the year 2015 and 2016 taken together. Statement III : In the year 2017, the company earned 75 percent profit of that in 2016.
- What was the percentage of discount offered? I) Profit earned by selling the article for Rs. 324 after giving a discount was Rs. 24. II) Had there been no discount, the profit earned would have been Rs. 60. III) Had there been no discount, the profit earned would have been 20%.
- 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 students have passed in third class. III. The number of students who passed in second class is 60% of that in third class and the number of students who passed in first class is 55% of that in second class.
- How much time will Bus A take to cross Bus B (from the moment they meet) running in opposite directions (towards each other)? Statement I: The respective ratio of speeds of Bus A and Bus B is 9 : 5. The sum of the lengths of Bus A and Bus B is 1400 metre. Statement II: Bus A can cross a signal pole in 15 seconds. It can cross 750 metre long stand in 20 seconds.
- 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 earned a total profit of Rs. 25 crores in the year 2015 and 2016 taken together. III) In the year 2017, the company earned 75 percent profit of that in 2016.
- 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 room is Rs. 9000. Statement III: Material cost of flooring per sq. metre is Rs. 450.
- 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 and 36 m respectively Statement II: The area of the base of Flask is 462 sq. m and its height is 21 m.
- In a box, there are red, blue and green marbles. Which type of marbles are maximum in number? Statement I: There are 3/4 as many green marbles as there are blue marbles. Statement II: There are 5/8 as many blue marbles as there are red marbles.

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