Quantitative Aptitude - Arithmetic Ability Questions

Slope of the line AB is -2/3. Co-ordinates of points A and B are (x , -3) and (5 , 2) respectively. What is the value of x?

What is the value of Cot 45° - (1/√3)Cosec 60°?

The average revenues of 13 consecutive years of a company is Rs 70 lakhs. If the average of first 7 years is Rs 65 lakhs and that of last 7 years is Rs 77 lakhs, find the revenue for the 7th year.

What is the total number of points in the plane of triangle ABC which is equidistant from the vertices of the triangle?

If 4x + 5y = 14 and x - 5y = 16 then the value of x and y are

If θ is acute angle and sin(θ+18°)= 1/2, then the value of θ in circular measure is

The four walls and ceiling of a room of length 25 m, breadth 12 m and height 10 m are to be painted. Painter A can paint 200 m2 in 5 days, Painter B can paint 250 m2 in 2 days. If A and B work together, they will finish the job in

A and B undertake a piece of work for Rs. 250 . A alone can do that work in 5 days and B alone can do that work in 15 days . With the help of C, they finish the work in 3 days . If every one gets paid in proportion to work done by them, the amount C will get is