In what time the 2 trains cross each other while running in the same direction?
Statement →The first train crosses a pole in 9 seconds
Statement → The Ist train crosses the second running in opposite direction in 45 seconds, Ratio of speed of Ist train to 2nd train is 2 : 3

Chapters. Data - Sufficiency

What is the marked price of the article?
Statement I →The article is sold at 15% discount on market price still making a gain of 16 Rs
Statement II →The difference between the marked price and selling price is 50% more than the difference between Selling price and cost price.

Chapters. Data - Sufficiency

What is the area of the rectangle?
Statement I → Length of the rectangle is equal to the radius of a circle whose circumference is 132 cm.
Statement II → breadth of the rectangle is 70/6% of the perimeter of the rectangle.

Chapters. Data - Sufficiency

40 students sit in rows and columns. How many students are seated in each column?
Statement I- The number of rows is 62.50% of the number of columns.
Statement II- The number of rows is 5/8 of the number of columns.