Arihant Expert Team Solutions for Exercise 2: Previous Years' Questions

The major pollutant of acid-rain is _____.

A $5Q$ resistor is connected to a power supply. What happens to the current in the circuit if we double the power supply, while the resistance is kept constant?

Study the following table.

After studying the given table, Devmeet a class V student, wrote the following in his note book.

I. Petrol is a more expensive fuel than diesel.

II. The percentage increase in price of diesel is more than that of petrol

III. Diesel is cheaper and that is why public transport runs on it.

IV. Diesel is a cheaper fuel than petrol. people should buy diesel vehicles

Which of the following is correct?.

The neighbouring states of Kerala are _____

A person boarded a train on 02.01.2015 at Madgaon for Nagercoil. The train depart from Madgaon at 7 : 45 h and reached Nagercoil at 04 : 45 h on the next day i.e. 03.01.2015. If the distance between these two stations is 1140 km, the average speed of the train was approximately _____

A person living in New Delhi wants to visit first Bhopal (MP) and then Ranchi (Jharkhand). The directions of this journey will be first towards

On a state map, at its one corner it is mentioned 'Scale 1 cm = 110 m". If on the map the measured distance between any two cities is 9.7 cm, the actual distance between the two cities is approximately.

Acid rain is caused due to increase in concentration of