Quantitative Aptitude - Arithmetic Ability Questions

If sin 3θ sec 2θ = 1, then what is the value of [3 tan2(5θ/2) – 1]?

Determine the value of  'a' which satisfies the equation 9a + 40a = 41a

The point of intersection of all the three medians of a triangle is called its

The ratio of the cost price and selling price of a bulb is 15 : 18. What is the profit percentage?

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

Seven friends spent Rs 14 each on a project and the eighth friend spent Rs 21 more than the average expenditure of all eight of them. What is the amount of total money (in Rs) spent by them?

If Mohan purchase 13 articles for Rs 12 and sells all the articles at the rate of 12 articles for Rs 13, then what will be the profit percentage?

A and B can complete a task in 12 days. However, A had to leave a few days before the task was completed and hence it took 16 days in all to complete the task. If A alone could complete the work in 21 days, how many days before the work getting over did A leave?