Quantitative Aptitude - Arithmetic Ability Questions

A boy crosses a 300 metres wide road in 30 seconds. What is his speed (in km/hr)?

Find the volume (in cm3) of a cube of side 7.5 cm.

In a circle, a chord, 5√2 cm long, makes a right angle at the centre. Then the length of the radius of the circle will be

The sum of radii of the two circles is 91 cm and the difference between their area is 2002 cm2 . What is the radius (in cm) of the larger circle?

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.

If x - 2y = 2 and 3x + y = 20, then the value of (x,y) is

If x + y + z = 0, then what is the value of (3y2 + x2 + z2 )/(2y2 – xz)?

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