40 % of 280 =? 

 Find the one which does not belong to that group ? 

Which of the following numbers is different from the others?

What was the day of the week on 15th June, 1998? 

 The percentage increase in the area of a rectangle, if each of its sides is increased by 20% 

Which of the following is not a mountain or a mountainous region?

What is the term for dishonestly or unfairly taking something, especially money, belonging to another for one's own use?

Jia drew a regular hexagon and started counting the number of quadrilaterals that can be formed using its sides and diagonals. How many such quadrilaterals does Jia count?

Each galaxy is surrounded by a giant sphere of dark matter more than 10 times the width of the visible portion of the galaxy.

In a mixture of 60 liters, the ratio of milk and water 2: 1. If this ratio is to be 1: 2, then the quantity of water to be further added is: