Quantitative Aptitude - Arithmetic Ability Questions

If 3x - 8(2 - x) = -19, then the value of x is

If 2x+13x = 5, the value of 5x6x2+20x+1 is

Rohan sells two articles. The cost price of the first article is equal to the selling price of the second article. The first article is sold at a profit of 40% and the second article is sold at a loss of 40%. What is the ratio of the selling price of the first article to the cost price of the second article?

If cosx.cosy + sinx.siny = -1 then cosx + cosy is

Find out the odd word/letters/number/number pair from the given alternatives.

Select the odd word/letters/number/number pair from the given alternatives.

What is the value of (cosecA - cotA) / (secA + tanA)?

What is the compound interest on Rs. 48,000 for 2 years at 20% p.a., if interest is compounded annually?