Quantitative Aptitude - Arithmetic Ability Questions

What is the simplified value of 1-sin A1+sin A ?

If ab+ba = -1, then the value of a2b-b2a is

The point Q(a,b) is first reflected in y­axis to Q1 and Q1 is reflected in x­axis to (­6,2). The co­ordinates of point Q are

A fan is listed at Rs. 150 with a discount of 20% . What additional discount must be offered to the customer to bring the net price to Rs. 108 ?

A student has to secure 35% marks to pass in a subject. If he gets 82 and fails by 23 marks. What is the maximum marks of the subject?

The price of an article is cut by 36%, to restore to its original value, the new price must be increased by

Find the odd number from the given alternatives.

P alone can do a piece of work in 8 days and Q alone can do the same work in 10 days. In how many days will both together complete the same work?