Quantitative Aptitude - Arithmetic Ability Questions

If a3 + 3a2 + 9a = 1, then what is the value of a3 + (3/a)?

Select the odd number from the given alternatives.

In the following question, four number pairs are given. The number on left side of (–) is related to the number on 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.

What is the reflection of the point (2, -3.5) in the y-axis?

In what ratio is the segment joining the points (2,5) and (­6,­10) divided by the y­axis?

Find the Greatest Common Factor of 280 and 144.

What is the value of (cosecA - cotA) / (secA + tanA)?

Both A and B together can complete a work in 20 days and B alone can complete the same work in 36 days. In how many days will A alone complete the work?