Quantitative Aptitude - Arithmetic Ability Questions

What is the simplest form of (1 + cosA)(cosecA ­ cotA)?

The third proportional of two numbers 24 and 36 is

The simple interest on a sum for 5 years is Rs 16800. The rate of interest for the first 3 years is 8% per annum and for the next 2 years is 12% per annum. What is the value (in Rs) of sum?

The sum of squares of three positive integers is 323. If the sum of squares of two numbers is twice the third, their product is

Convert decimal number 101 to binary.

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

Select the odd word from the given alternatives.

In the following question, four groups of three numbers are given. In each group the second and third number are related to the first number by a Logic/Rule/Relation. Three are similar on basis of same Logic/Rule/Relation. Select the odd one out from the given alternatives.