Quantitative Aptitude - Arithmetic Ability Questions

Select the odd word/letters/number/number pair from the given alternatives.

In the following question, select the odd word from the given alternatives.

If 9x = 24311, then what is the value of x?

An equilateral triangle has sides of 10 cm each. Find the ratio of in-radius to the circum-radius of the triangle.

The number of sides of a regular polygon whose exterior angles are each 40 deg is

Sahil sold an item for Rs. 280 at a loss of 20%. The cost price of the item was

The age of A is three times the age of B. What is the ratio of the age of B to the age of A?

In the series 5442673314884743581,the number of 4s that are completely divisible by the number on their right but not divisible by the number on their left is