Quantitative Aptitude - Arithmetic Ability Questions

What is the value of (32 cos6x – 48 cos4x + 18 cos2x – 1)/[4 sin x cos x sin (60 – x) cos (60 – x) sin (60 + x) cos (60 + x)]?

A and B invest Rs. 3000 and Rs. 2400 respectively in a business. If after one year there is a loss of Rs. 720, how much loss will B bear? (Loss or Profit is in proportion to their investments)

The total cost of a microwave oven with mixer was Rs 36750. The mixer was sold at a profit of 32% and the microwave oven at a loss of 22%. If the sale price was the same in both the items, then the cost price of the cheaper item was _____.

A can do 1/3rd of a job in 3 days and B can do half of the job in 9 days. If they work on it together, then in how many days can they finish half of the job?

If 5 person together can make 5 mats in 5 hrs, then 10 person in 10 hours will make

Find the angular elevation of the sum when the shadow of a 15m long pole is 152meters

Reflection of the point (2,-4) in the origin is

If xy (x + y) = m, then the value of x3 + y3 + 3m is: