Quantitative Aptitude - Arithmetic Ability Questions

Possible length of the three sides of a triangle are :­

Δ PQR is right angled at Q. If m∠R = 60°, what is the length of PR (in cm), if RQ = 4√3 cm?

Two circles of same radius intersect each other at P and Q. If the length of the common chord is 30 cm and distance between the centres of the two circlesis 40 cm, then what is the radius (in cm) of the circles?

A train of length, 245 metres, takes 20 seconds to cross a 355 metres long bridge. How much time (in seconds) will the train take to cross a 390 metres long platform?

Select the missing number.

Find the odd numbers/letters/numbers from the given alternatives.

If 3:27 :: 5:?

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