Quantitative Aptitude - Arithmetic Ability Questions

If in a triangle ABC, Sin A = Cos B then the value of Cos C is

The compound interest earned in two years at 12% per annum is Rs 10176. What is the sum (in Rs) invested?

What is the reflection of the point (3,-5) in the origin?

In a mixture, water and milk are in the ratio of 3 : 5. In the second mixture, the ratio of water and milk is 9 : 11. If these two mixtures be mixed to form anew mixture in which water and milk are in ratio 5 : 7, then what is the ratio of these two mixtures in the new mixture?

If the volume of a cylinder is 3850 cubic cm and height is 25 cm, what is its radius? (Take π = 22/7)

BE and CF are two altitudes of a triangle ABC. If AB = 6 cm , AC = 5 cm and CF = 4 cm , then the length of BE is

One-third of Poojitha's age three years ago plus one-half of her age two years from now is twenty years. How old is she now?

If sin8 θ + cos8 θ – 1 = 0, then what is the value of cos2 θ sin2 θ (If θ ≠ 0 or π/2)?