Quantitative Aptitude - Arithmetic Ability Questions

If 1/√(1+tan2A) = x, then value of x is

The marked price of a ceiling fan is Rs. 1200 and the shopkeeper allows a discount of 5 % on it. Then selling price of the fan is

If (4a-3)2=0,then the value of 64a3+12a+13 is

A car travels a certain distance at 70 km/h and comes back at 30 km/h. Find the average speed for total journey.

A can do a work in 20 days and B in 50 days. If they work on it together for 5 days, then what fraction of work is left?

Marked price of an article is Rs 3600 and selling price is Rs 3132. What is the discount percentage?

25% discount is offered on an item. By applying a promo code the customer wins 8% cash back. What is the effective discount?

25% discount is offered on an item. By applying a promo code the customer wins 22% cash back. What is the effective discount?