Which is the right sequence of stages of

The value of a motor cycle 2 years ago was ₹ 70,000. It depreciates at the rate of 4% p.a. Find its present value.

Find the LCM of pair of the following polynomials x⁴ – 27a³ x, (x-3a)², whose GCD is (x-3a)

If a/b = 3/5, b/c = 4/7 then a:b:c is

A can do a piece of work in 20 days and B can do it in 30 days. How long will they take to do the work together?

The cost of a machine is ?18,000 and it depreciates at 16(2/3)% annually. Its value after 2 years will be

A machine bought at Rs. 50,000 falls in its value by 8% of its value every year. Find the value of the machine after 2 years.

The curved surface area of a right circular cone of height 15 cm and base diameter 16 cm is

The breadth of a rectangular field is 60% of its length. If the perimeter of the field is 800 m, what is the area of the field?

The highest number which divides the product of any three consecutive even natural number is