Quantitative Aptitude - Arithmetic Ability Questions

Selling price of a watch is Rs 966 and profit percentage is 15%. If selling price is Rs 798, then what will be the loss percentage?

If 70% of total articles are sold at a profit of 20% and remaining articles are sold at a loss of 20%, then what will be the overall profit percentage?

Akash is 3 times as good a workman as Baldev and therefore is able to finish a job in 40 days less than Baldev. Working together, they can finish it in _____.

Kamal has some apples. He sold 40% more than he ate. If he sold 70 apples, how many did he eat?

PQ is the chord of a circle whose centre is O. ROS is a line segment originating from a point R on the circle that intersect PQ produced at point S such that QS = OR. If ∠QSR = 30°, then what is the value (in degrees)of POR?

A student multiplied a number by 3/10 instead of 10/3. What is the percentage error in the calculation?

Two numbers whose sum is 84 can not be in the ratio

If (x/y)a-4 = (y/x)2a-5, then what is the relation between x and y?