Quantitative Aptitude - Arithmetic Ability Questions

If cosθ = x2-y2x2+y2, then the value of cotθ is

20 is 0.25% of?

A circle of diameter 26 cm having the two equal chords of length 10 cm is separated by a distance x cm. Calculate the distance x.

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?

At 8% simple interest per annum a sum of money becomes Rs. 300 in 2.5 years. What was the sum invested?

Δ XYZ is right angled at Y. If m∠Z = 30°. What is the length of YZ (in cm), if ZX = 9 cm?

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

Find the total surface area (in cm²) of a right circular cylinder of diameter 42 cm and height 14 cm