Quantitative Aptitude - Arithmetic Ability Questions

A piece of cloth costs Rs. 35. If the piece were 4 m longer and each meter were to cost Rs. 1 lesser, then the total cost would remain unchanged. How long is the piece of cloth?

Find the average of all prime numbers between 20 and 50.

Δ DEF is right angled at E. If m∠F = 45°, then what is the value of 2 Sin F x Cot F?

Slope of the side DA of the rectangle ABCD is 1/3. What is the slope of the side AB?

What will be the maturity value, if Rs. 13,500 is deposited at a simple rate of interest of 12.5% for two years?

Two pipes A and B can fill an empty cistern in 18 and 27 hours, respectively. Pipe C can drain the entire cistern in 45 hours when no other pipe is in operation. Initially, when the cistern was empty Pipe A and Pipe C were turned on. After a few Pipe A was turned off and Pipe B was turned on instantly. In all, it took 55 hours to fill the cistern. For how many hours was Pipe B turned on?

A path of 2.5 m width surrounds a rectangular garden of length 10 m and breadth 8 m. Area of the garden, inclusive of the path is

If 60/75 is equivalent to 4/x, then the value of x is