Quantitative Aptitude - Arithmetic Ability Questions

Of the 5 numbers whose average is 72, the first is 1/8 times the sum of other 4. The first number is _____.

A right triangular pyramid XYZB is cut from cube as shown in figure. The side of cube is 16 cm. X, Y and Z are mid points of the edges of the cube. What is the total surface area (in sq.cm) of the pyramid?

On dividing 256a2b2c2 by 64a2, we get

Each question contains Quantity I and Quantity II. Read the contents clearly and answer your questions accordingly.

Quantity I: if the length of a rectangle is increased by 20% while the breadth of the rectangle is decreased by 10% then find percentage change in area of the rectangle?

Quantity II: if the side of a triangle is increased by 30% while the height of a triangle is decreased by 20% then find the percentage change in area of the triangle?

If x + 1x = c + 1c, then the value of x =

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

A shopkeeper by selling 5 items, earns a profit equal to the selling price of 1 item. What is his profit percentage?

In a triangle the length of the side opposite the right angle is 9√3 cm, what is the length of the side opposite to the angle which measures 30 degree?