Questions

_________ says that the marginal product of a factor input initially rises with its employment level. But after reaching a certain level of employment, it starts falling.

Demand is said to be elastic when the

Two circles of same radius intersect each other at P and Q. If the length of the common chord is 30 cm and distance between the centres of the two circlesis 40 cm, then what is the radius (in cm) of the circles?

To enlarge their hold over India, many wars were fought between British and Indians but NOT one of the following.

A boat goes 15 km upstream and 10 1/2 km down stream in 3 hrs 15 min. It goes 12 km upstream and 14 km downstream in 3 hrs. What is the speed of the boat in still water?

If a denotes x , b denotes ÷ , c denotes + and d denotes ­ , then 8 a 3 c 24 b 12 d 19 = ?

 Which organisation is a policy think tank of the Government of India, established with the aim to achieve Sustainable Development Goals and to enhance cooperative federalism by fostering the involvement of State Governments of India in the economic policy-making process using a bottomup approach? 

Who among the following was honoured with the IAAF male Athlete of year Award for 2017 at a award ceremony in Monaco in November 2017?