Quantitative Aptitude - Arithmetic Ability Questions

ABCD is a cyclic quadrilateral of which AB is the diameter. Diagonals AC and BD intersect at E. If ∠DBC = 35°, Then ∠AED measures

If the circum radius of the equilateral triangle is 12 cm then what is the value of in radius (in cm) of the triangle?

The cash difference between the selling price of an article at a profit of 2% and 12% is Rs.3. The ratio of two selling prices is

Average age of 5 students of a school is 14 years. The average age of students and their Mathematics and science teachers is 30 years. If the age of science teacher is 6 years more than the age of Mathematics teacher, then what is the age (in years) of Mathematics teacher?

The rate of simple interest per annum at which a sum of money double itself in 162⁄3 yrs. is

Puneet lent out Rs 30000 in two parts, one at 5% and the other at 9% interest. The yearly average interest comes out to be 6%. What are the amounts (inRs) that are lent at 5% and 9% respectively?

In a right angled triangle ΔDEF, if the length of the hypotenuse EF is 12 cm, then the length of the median DX is

The copper wire when bent in the form of a square encloses an area of 121 cub.cm. If the same wire is bent into the form of a circle, find the area of the circle.