Quantitative Aptitude - Arithmetic Ability Questions

The average weight of 10 parcels is 1.7 kg. Addition of another new parcel reduces the average weight by 60 gram. What is the weight , in kg, of the new parcel?

A rice trader buys 12 quintals of rice for Rs 1,870. 15% rice is lost in transportation. At what rate should he sell to earn 20% profit?

In each question two equations numbered I and II are given,you haveto solve both the equation and choose the correctanswer.

I. x2+ 30x + 81 = 0

II.y2-9y -162 = 0

At what point does the line 3x + 2y = 12 cuts the Y-axis?

If the shopkeeper sells an item at Rs 960 which is marked as Rs 1200, then what is the discount he is offering?

What number should be added to each of the numbers 55, 100, 65 and 116, so that the resulting numbers are in continued proportion?

If by selling an article for Rs. 390 a shopkeeper gains 20% , then the cost is

By selling a table for Rs. 16,870, a shopkeeper suffers a loss of Rs. 1080. His loss percentage (rounded off to one decimal place) is