Quantitative Aptitude - Arithmetic Ability Questions

What is the sum of a3+b3+c3-3abc, when the value of a=4, b=2 and c=-6?

In the following question, four number pairs are given. The number on left side of (–) is related to the number of the right side of (–) with some Logic/Rule/Relation. Three are similar on basis of same Logic/Rule/Relation. Select the odd one out from the given alternatives.

Find the greatest number that will divide 390, 495 and 300 without leaving a remainder

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?

In a colored picture of blue and yellow color, blue and yellow color is used in the ratio of 4:3 respectively. If in upper half, blue : yellow is 2:3, then in the lower half blue : yellow is

From a point, 40 m apart from the foot of a tower, the angle of elevation of its top is 60°. The height of the tower is

The number 3521is divided by 8. What is the remainder?

If cosec θ + sinθ = 5/2 then the value of cosecθ - sinθ is