Quantitative Aptitude - Arithmetic Ability Questions

If sin ­- 5π/3 = x, then the value of x is

Convert binary 1101111 to decimal.

If rsin∅ =1, rcos∅=√3, then the value of r2tan∅ is

P and Q are at a distance of 240 km from each other at 9:00 a.m. After 1 hour, P starts moving towards Q at a speed of 25 km/hr. At 11 a.m. Q startsmoving towards P at the speed of 18 km/hr. At what time (in p.m.) will they meet?

The average of first 20 multiples of 12 is

Average of all even numbers between 222 and 250 is __________.

If 3.352 -­ (9.759 -­ x ) -­ 19.64 = 7.052, then what is the value of x?

If x , y, and z are real numbers such that (x - 3)2 + (y - 4)2 + (z - 5)2 = 0 then (x+y+z) is equal to