Quantitative Aptitude - Arithmetic Ability Questions

What is the equation of the line which passes through the points (3,­2) and (5,3)?

A pen is sold at a discount of 36.36%. If the marked price of the pen is Rs 14300, then what is the selling price of the pen?

The HCF and LCM of two numbers are 3 and 2730 respectively. If one of the numbers is 78, find the other number.

If two complementary angles are in the ratio of 2:3, find the ratio of square of smaller angle to square of greater angle.

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

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

Choose the odd word/letters/number/number pair from the given alternatives.

Which of the numbers given below is NOT rational?