Quantitative Aptitude - Arithmetic Ability Questions

What is the value of sin(11π/6)?

If cosA = x, then x is

If 3√2 + √18 + √50 = 15.55, then what is the value of √32 + √72?

A number is divided into two parts in such a way that 30% of first part is 25 more than the 20% of second part. 50% of second part is 33.5 more than the 60% of first part. What is the number?

If the population of a town increases by 25% in the first year and increases by 36% in the second year, then what is the average rate (in percentage)of increase in the population?

How many natural numbers are there between 1000 to 2000, which when divided by 341 leaves remainder 5?

The average of three numbers is 40. First number is 4/3 of the third number. If third number is 20 less than second number, then what is the value of second number?

What is the average of 36, 43, 51, 68, and 77?