Quantitative Aptitude - Arithmetic Ability Questions

Keerthana takes 9 hrs 20 min in walking a distance and riding back to same place where she started. She could walk both ways in 11 hrs 15 min. The time taken by her to ride back both ways is

A train 240 meters in length crosses a telegraph post in 16 seconds. The speed of the train is?

A retailer gets a discount of 40% on the printed price of an article. The retailer sells it at the printed price. His gain percent is

The ratio of curved surface area and volume of a cylinder is 1 : 7. The ratio of total surface area and volume is 187 : 770. What is the respective ratio of its base radius and height?

An isosceles triangle ABC has sides AB = AC. If side BA is produced to D in such a manner that AC=AD. Then what will the measure of the angle BCD?

The average cost of 4 items in a shopping list is Rs 1,250. If one more item whose cost is Rs 2,000 is added to the list what will be the new average (in
Rs)?

If √(sec2A ­ 1) = x, then the value of x is

What is the simplified value of (cos4 A – sin4 A)?