Quantitative Aptitude - Arithmetic Ability Questions

If the angles of a triangle are in the ratio of 2 : 5 : 8, then find the value of the largest angle.

If tanα = 2 - 1, then the value of  tanα - cotα = ?

In 3 years Rs 3000 amounts to Rs 3993 at x% compound interest, compounded annually. The value of x is

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

Ritesh sold a pen for Rs. 36 with a profit of 20%. If it were sold for Rs.33, then what could be the percentage of profit or loss?

Simple interest on a certain sum of money for 3 years at 18% per annum is half the compound interest on Rs. 9000 for 2 years at 10% per annum. The sum placed on simple interest is:

10 people could complete a task in 8 days. After 4 days, 2 of the workers left. How many days from then did it take to complete the task?

By dividing 14528 by a certain number, Suresh gets 83 as quotient and 3 as remainder. What is the divisor?