Quantitative Aptitude - Arithmetic Ability Questions

A and B together can do a piece of work in 36 days, B and C together can do it in 24 days. A and C together can do it in 18 days. The three working together can finish the work in

What is the average of all numbers between 8 and 74 which are divisible by 7?

If cosθ = x2-y2x2+y2, then the value of cotθ is

A shopkeeper marks his goods 40% above the cost price and allows a discount of 25% on it. His gain % is

What is the third proportional to 10 and 20?

A rectangular playground ground of length 125 m and width 75 m, has a walking strip of width 3 m in the middle of the ground, along the longer side. What is the area of the ground without the walking strip?

What is the reflection of the point (2, 3) in the line y = 4?

Find the odd word/letters/number pair from the given alternatives