What is the difference between compound interest and simple interest on Rs. 2500 for 2 years at 4% per annum?

Two train approach each other at 30 km/hr and 27 km/hr. From two places 342 km. apart. After how much time will they meet? (in hours)

What will be the day of a week on 2 September 1990?

The sum of two numbers is 232 and their HCF is 29. What is the numbers of such pairs of numbers satisfied the above condition?

If 3 sin x + 5cosx = 5 then what is the value of (3cosx - 5sinx)

When x = 1, then value of |2x – 1| + |x – 3| will be -

The speed of a boat in still water 11 km/hr. It can go 12 km upstream and return downstream to the engine point in 2hr 45min. What is the speed of stream?

The volume of the largest right circular cone that can be cut out of a cube of edge 14 cm.