Quantitative Aptitude - Arithmetic Ability Questions

∆ABC inscribed in a circle so that BC is a diameter. The tangent at a point C intersects BA when produced at a point D. If ∠ABC=36°then the value of ∠ADCis 

The average age of 80 boys in a class is 15 years. The average age of a group of 15 boys in the class is 16 years and the average age of another 25 boys in the class is 14 years. What is the average age of the remaining boys in the class?

Cost price of 28 articles is equal to Sale price of 21 articles, then percentage of profit is

X and Y give an exam. Difference of their marks is 45 and the difference of their marks is 15% of the maximum marks. What is the maximum marks for the exam?

In a triangle, the distance of the centroid from the three vertices is 4cm, 6cm and 8cm respectively. Then the length of the smallest median is:

Find measure of central angle of the arc whose length is 22 cm and radius of the circle is 28 cm?

If 2 cos θ = 2 – sin θ, then what is the value of cos θ?

Choose the word is least like the other words in the group