Questions

The process of electric discharge between clouds and the earth or between different clouds causes _____________.

In India, who appoints ministers at state level?

Cold air is ______.

Calculate the pressure (in Pa) if a thrust of 600 N is applied to an area of 24 sq.m.

The tendency of undisturbed objects to stay at rest or to keep moving with the same velocity is called ___

A sum of Rs. 3000 amounts to Rs. 6000 in two years at compound interest. The interest for four years is

A farmer's land is in the shape of a trapezium which has its parallel sides measuring 2.56 yards and 3.44 yards and the distance between the parallelsides in 1.44 yards. The cost of ploughing the land is Rs 1800 per square yard. What amount will (in Rs) have to be spent in order to plough the entire land?

In a Δ ABC, DE || BC. D and E lie on AB and AC respectively. If AB = 7 cm and BD = 3cm, then find BC:DE