Quantitative Aptitude - Arithmetic Ability Questions

In the given figure, PQR is a right angled triangle at Q. If PQ = 35 cm and QS = 28 cm, then what is the value (in cm) of SR?

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

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

If cos -4π/3 = x, then the value of x is

If (1/4 of x) - (4/5 of 6/7) equals - 9/7, then value of x is

Josna takes 4 hrs 30 min in walking a distance and riding back to some place where she started. She could walk both ways in 5 hrs 40 min. The time taken by her to ride back both ways is

If X2+4y2+z2-4x-2z+5-0, then find the value of y15+x5z14

A solid sphere of diameter 17.5 cm is cut into two equal halves. What will be the increase (in cm2) in the total surface area?