Quantitative Aptitude - Arithmetic Ability Questions

A thief is stopped by a policeman from a distance of 250 metres. When the policeman starts the chase, the thief also starts running. Assuming the speed of the thief as 5 km/h and that of police man as 7 km/h, how far the thief would have run, before he is over ­taken?

The value of 2.33+0.0272.33-0.69+0.09

If 17/3 + [3(2x - 5/3)]/2 = 1/6, then what is the value of x?

What is the value of [1 – sin (90 – 2A)] / [1 + sin (90 + 2A)]?

In ΔABC, D and E are points on side AB and AC respectively. DE is parallel to BC. If lengths of AD, DB and DE are 8 cm, 6 cm and 7.2 cm respectively, find length of BC?

If x2-2x+1=0,then the value of x4+1x4 is

If x+19x=4, then 9x2+19x2 is

If 2 cos θ = 2 – sin θ, then what is the value of cos θ?