Quantitative Aptitude - Arithmetic Ability Questions

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?

What is the sum of the first 11 terms of an arithmetic progression if the first term is -31 and last term is 29?

What is the sum of the first 17 terms of an arithmetic progression if the first term is -20 and last term is 28?

The perimeter and the breadth of a rectangle are 68 cm and 10 cm respectively. Calculate the length of its diagonal (in cm).

In the following question, select the odd letter/letters from the given alternatives.

Which of the following words does NOT belong with the others?

Δ ABC is right angled at B. If m∠A = 30°. What is the length (in cm) of AB, if AC = 8 cm?

In a triangle the length of the side opposite the angle which measures 45° is 8 cm, what is the length of the side opposite to the angle which measures 90°?