Quantitative Aptitude - Arithmetic Ability Questions

Three clocks are designed to alarm in every hour, two hours and three hours respectively. If they all alrmed together three hours before, then after how many hours will they next alarm together?

Two labourers A and B are paid a total of Rs 650 per day. If A is paid 160 percent of what is paid to B, how much (in Rs) is B paid?

What is the value of sin ­7π/4c?

What is the simplified value of (cotA + tan B)/(cot B + tan A)?

Dealer purchased an article for Rs. 900 and fixes the list price in such a way that he gains 20% after allowing 10% discount, then the list price is

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?

If 31x + 31y = 403, then what is the average of x and y?

If (X/4) = (Y/5) = (Z/9), then what is X : Y : Z?