Quantitative Aptitude - Arithmetic Ability Questions

What is the area (in sq cm) of a rectangle of perimeter 90 cm and breadth 20 cm?

In the fig. ∆ABC is inscribed in a circle with centre O. If ∠ABC = 30° then ∠ACB is equal to

The sum of money that will yield Rs. 60 as simple interest at 6% per annum in 5 years is

The length of the diagonal of a square is 14 cm. What is area of this square?

∆XYZ is right angled at Y. If tanX = 24/7, then what is the value of cotZ ?

P can make a table in 16 days while Q can make it in 20 days. Q started the work and did that work for 5 days. In how many days P can complete the remaining work?

A vendor buys bananas at 12 for Rs 50 and sells at 5 for Rs 40. What will be the gain (in %)?

The area and the length of one of the diagonals of a rhombus is 84 cm² and 7 cm respectively. Find the length of its other diagonal (in cm).