Quantitative Aptitude - Arithmetic Ability Questions

ABC is a right angled triangle. ∠BAC = 90 deg and ∠ACB = 60 deg. What is the ratio of the circum radius of the triangle to the side AB?

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

If x+1x=5,then the value of x1+x+x2 is

The ratio of three numbers is 2 : 5 : 7. If their product is 1890, then what is the sum of the three numbers?

A sum of Rs 1200 amounts to Rs 1740 in 3 years at simple interest. If rate of interest is increased by 3%, then what will be the new amount (in Rs)?

If the lengths of two parallel chords in a circle of radius 10 cm are 12 cm and 16 cm, then what is the distance between these two chords?

If x + y + z = 0, then what is the value of (3y2 + x2 + z2 )/(2y2 – xz)?

The price of an article is cut by 9%, to restore to its original value, the new price must be increased by