Quantitative Aptitude - Arithmetic Ability Questions

A train 100 m long is running at a speed of 120 kms/hr. The time taken to pass a person standing near the line is

The line passing through the point (5,a) and point (4,3) is perpendicular to the line x - 6y = 8. What is the value of 'a'?

What is the equation of the line whose y­-intercept is 4 and making an angle of 45° with the positive x-­axis?

What is the value of z2+1z2 when z = 5+26 ?

Which one of the following is an irrational number?

What is the reflection of the point (6, -3) in the line y = 2?

Find the odd word/number/letters from the given alternatives

Find the odd word/letters/number from the given alternatives.