Quantitative Aptitude - Arithmetic Ability Questions

Pipes A and C can fill an empty cistern in 32 and 48 hrs, respectively while Pipe B can drain the filled cistern in 24hrs. If the three pipes are turned on together when the cistern is empty, how many hrs will it take for the cistern to be 2/3 full?

Dinesh purchases 10 dozens of apples at the rate of Rs 180 per dozen. He sold each one of them at the rate of Rs 19.5. What is the profit (in percentage) of Dinesh?

Slope of the line AB is 4/3. Co-ordinates of points A and B are (x , -5) and (2 , -3) respectively. What is the value of x?

In what ratio is the segment joining (-1,-12) and (3,4) divided by the x-axis?

The area of the triangle whose vertices are given by (2,4), (-3,-1) and (5,3) is

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

How many times does the number 5 occur in the range of numbers from 1 to 100?

The simple interest on a sum is 7/8 of the principal for 5 years. What is the rate (in percentage) of interest per annum?