Quantitative Aptitude - Arithmetic Ability Questions

A, B and C can complete a work in 20, 24 and 30 days respectively. All three of them starts together but after 4 days A leaves the job and B left the job 6days before the work was completed. C completed the remaining work alone. In how many days was the total work completed?

How many diagonals are there in octagon?

What is the slope of the line parallel to the line passing through the points (3 , -4) and (-2 , 5)?

The length of one side of a rhombus is 41 cm and its area is 720 sq.cm. What is the sum of the lengths of its diagonals?

If P : Q = 9 : 7, then what is the value of (P – Q) : (P + Q)?

If 4x + 3y = 11 and 3x + 2y = 8, then (x,y) is

Select the odd word/letters/number/number pair from the given alternatives.

In the following question, select the odd word pair from the given alternatives.