Mr. Ram makes certain number of pots on daily basis. Production cost of each pot is ₹40 more than 10 times total number of pots he makes in one day. If production cost of all pots per day is ₹600, find production cost of one pot and number of pots he makes per day.

Mr. Kasam runs a small business of making earthen pots. He makes certain number of pots on daily basis. Production cost of each pot is Rs. 40 more than 10 times total number of pots, he makes in one day. If production cost of all pots per day is Rs. 600, find production cost of one pot and number of pots he makes per day.

Complete the following activities 3 persons can build a small house in 8 days. Complete the following activity to find the number of Persons required to build the same house in 6 days. Let x persons are required to build the house in 6 days. The number of Persons and the number of days required to build a house are in inverse proportion. Therefore, he product of the number of persons and the number of days is constant.

A metal rod 1/ sqrt(pi) meter long rotates about one of its ends in a plane perpendicular to a uniform magnetic induction 5 xx 10^-3 (Wb)/m^2 . Calculate the number of revolutions the rod makes per minute if the induced e.m.f. across it is 15 millivolt.