Quantitative Aptitude - Arithmetic Ability Questions

Select the wrong number from the given series?

6, 12, 20, 32, 42, 56, 72

If the sum of the interior angles of a regular polygon is 720° then how many sides does it have?

The second statement is the ____ of the first.

$$\begin{gathered} 1. P ⇒ Q \\ 2. ~Q ⇒ ~P \end{gathered}$$

David obtained 76, 65, 82, 67 and 85 marks (out of 100) in English, Mathematics,Physics, Chemistry and Biology What are his average marks ?

Read the data given below and answer the questions based on it.

In the CBSE Board exams last year, 53% passed in Biology, 61% percent passed in English, 60% in Social studies, 24% in Biology and English, 35% in English and social studies, 27% in Biology and social studies and 5% in none.

If the number of students in the class is 200, how many passed in only one subject?

The area of a square is 42.25 cm². Find its perimeter (in cm).

Direction: What should come in the place of question mark (?) in the following number series?

2, 3, 6, 15, 45, ?

A wheel makes 1000 revolutions in covering a distance of 88 km. Find the radius of the wheel.