Quantitative Aptitude - Arithmetic Ability Questions

Cost price of 28 articles is equal to Sale price of 21 articles, then percentage of profit is

A can do 1/3rd of a job in 3 days and B can do half of the job in 9 days. If they work on it together, then in how many days can they finish half of the job?

P alone can do a piece of work in 8 days and Q alone can do the same work in 10 days. In how many days will both together complete the same work?

The side of an equilateral triangle is 14 cm. Find its area (in sq.cm).

The value of (sec245 - cot245) - (sin230 + sin260) is

Choose the word is least like the other words in the group

Find the odd number from the given alternatives.

In a cyclic quadrilateral ABCD ∠BCD=120° and passes through the centre of the circle. Then ∠ABD = ?