Quantitative Aptitude - Arithmetic Ability Questions

Area of _____ equals square of its side.

The amount (in Rs) received at 10% per annum compound interest after 3 yrs is Rs 1,19,790. What was the principal?

If √(cosec2A - 1) = x, then the value of x is

The least number to be added to 13851 to get a number which is divisible by 87 is

If x = [1/(√5 + √3)], y = [1/(√7 + √5)] and z = [1/(√7 + √3)], then what is the value of (x + y + z)?

What is the value of √121 + √12321 + √1234321 + √123454321?

P and Q can complete a task in 50 and 20 days respectively. In how many days can they complete 70% of the task if they work together?

Between 200 and 400 how many numbers are divisible by 7?