Quantitative Aptitude - Arithmetic Ability Questions

If a2+b2c2 = b2+c2a2 = c2+a2b2 = 1k k≠0 then k =

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

The height of an equilateral triangle is 18 cm. Its area is

The income of a person is Rs 45000 and his expenditure is Rs 33000. If his income is increased by 22% and expenditure in increased by 11%, then what will be the percentage increase in his savings?

If tanA -­ tanB = X, then the value of X is

X, Y and Z can do a piece of work in 30, 40 and 50 days respectively. All three of them began the work together but Y left 4 days before completion of the work. In how many days was the work completed?

Ramesh sold a book at a loss of 30%. If he had sold it for Rs. 140 more, he would have made a profit of 40%. The cost price of the book is

In ΔABC, ∠B = 70° and ∠C = 60°. The internal bisectors of the two smallest angles of ΔABC meet at O. The angle so formed at O is