Quantitative Aptitude - Arithmetic Ability Questions

15 small rods, each of length 23 2/7 m are joined to make a big rod. What then is the length of the big rod?

What is the circumference (in cm) of a circle whose area is 616 sq cm?

The circumference of a circle is equal to the perimeter of an equilateral Δ. If the radius of the circle is 14 cm what is the length of the side of the equilateral Δ?

Which one of the following combination of measurements can form the sides of a triangle?

The least six digit number which is a perfect square is

Two pipes P and Q can fill an empty tank in 25 hours and 20 hours respectively. Pipe R alone can empty the completely filled tank in 50 hours. Firstly both the pipes P and Q are opened and after 8 hours pipe R is also opened. What will be the total time (in hours) taken to completely fill the tank?

Five angles of a hexagon measure 116 deg each. What is the measure of the remaining angle?

If x = 5 + 15 - 1 & y = 5 - 15 + 1, then find the value of x2 - y2.