Quantitative Aptitude - Arithmetic Ability Questions

If 2secA - (1 + sinA)/cosA = x, then the value of x is

If 2x + 6y = 3xy and 10x -­ 3y = 4xy, find x, y.

In the following question, select the odd number from the given alternatives.

If 1 + secA = x, then the value of x is

An equal sum is invested in two different schemes. One scheme gives simple interest and the other gives compound interest (annual compounding). The sum of interest obtained after 2 years from both the schemes is Rs 2961. If both schemes have 23% per annum interest rate, then what is the first year interest (in Rs)of simple interest scheme?

A merchant marks the price of his articles 30% above the cost price. He gives some discount on it and earns a profit of 13.75%. What is the discount percentage?

Surya works 3 times as fast as Ramya and is able to complete a work in 40 days less than the number of days taken by Ramya. Find the time in which they can complete the work together.

The smallest angle of a triangle is 40° less than the largest angle. If the largest angle is 80°, then find the third angle of the triangle