Quantitative Aptitude - Arithmetic Ability Questions

A sum fetched a total simple interest of Rs.5,400 at the rate of 12.5 %/yr in 4 years. What is the sum (in Rs)?

In a triangle the length of the side opposite the angle which measures 30 degree is 12 cm, what is the length of the side opposite to the angle which measures 60 degree?

What is the simplified value of sin2(90–θ)–[sin(90–θ)sinθ/tanθ]?

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

Selling price of an article is Rs 1144. If loss percentage is 12%, then what is the cost price (in Rs) of article?

Sum of lengths of all edges of a cube is 84 cm, find its volume?

An army of 12000 consists of Europeans and Indians. The average height of a European is 5ft 10 inches and that of an Indian is 5ft 9 inches and that of the whole army is 5ft 9 3/4 inches. Then the number of Indians in the army is ?

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