Quantitative Aptitude - Arithmetic Ability Questions

The distance between the points (7,7) and (k,-5) is 13. Find k?

A's salary was decreased by 50% and subsequently increased by 50%. How much percent does he lose?

A box of 20 items was bought for Rs. 6,400 after a discount of 20%. Find the cost of each item.

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

Vikash purchased 5 bananas for Rs.4 and sold 4 bananas for Rs.5. Calculate his % profit?

ΔXYZ is similar to ΔPQR. If ratio of Perimeter of ΔXYZ and Perimeter of ΔPQR is 4:9 and if PQ = 27 cm, then what is the length of XY (in cm)?

What is the simplified value of tan (θ/2) + cot (θ/2)?

The point equidistant from the vertices of a triangle is called its