Quantitative Aptitude - Arithmetic Ability Questions

Find equation of the perpendicular to segment joining the points A(0,4) and B(-5,9) and passing through the point P. Point P divides segment AB in the ratio 2:3.

Dodecahedron has 30 edges. How many vertices does it have?

10 people could complete a task in 8 days. After 4 days, 2 of the workers left. How many days from then did it take to complete the task?

The average marks of 10 students in an examination was 25. It was later found that the marks of one student had been wrongly entered as 34 instead of 43. What is the correct average?

4 men can build a small house in 12 days. How long would it take for 6 men to build the same house?

Product of digits of a 2-digit number is 24. If we add 45 to the number, the new number obtained is a number formed by interchange of the digits. What is the number?

Mohan starts to calculate sum of all odd natural number less than 83. What result does he get?

Which value among 53, 64,126,27612 is the largest?