Quantitative Aptitude - Arithmetic Ability Questions

If 5x - 1 < 3x + 2 and 5x + 5 > 6 - 2x; then x can take which of the following values?

In an isosceles trapezium _____.

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

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

Which is the correct ascending order of the given numbers?

Find the area (in cm²) of a semi-circle of radius 21 cm.

P and Q undertook to do a work for Rs 7200. P alone could do it in 20 days and Q alone in 12 days. With the assistance of R they finished the work in 5days. What is the share (in Rs) of R?