Quantitative Aptitude - Arithmetic Ability Questions

3 hrs after a goods train passed a station, another train travelling at a speed of 88 km/hr following that goods train passed through that station. If after passing the station the train overtakes the goods train in 8 hours. What is the speed of the goods train?

a, b and c are 3 values, such that a + b = 5, b + c = 7.5 and c + a = 8.5. What will be the average of these values?

A watch shows 6 p.m. where the hour hand points east. In which direction is the minute hand facing when the time is 9.15 p.m?

What is the simplified value of sec4θ – sec2θ tan2θ?

What is the value of x3-1x3+8 when 8x-8x-16=0 ?

What is the value of Cot 60°- Sec 45°?

If 123 x 356 = 43788, then 1.23 x 0.356 = ?