For the following questions answer them individually
18 men can do a piece of work in 20 days. After working for 8 days, they get a notice to complete the work 4 days earlier than originally scheduled. How many more men will be required to be hired to complete the work as per the new schedule?
$$P_{1}$$ is the average of all prime numbers below 12 and $$P_{2}$$ is the average of all prime numbers between 12 and 30. What is the value of $$5P_{1} - P_{2}$$?
Two cities, Delhi and Jaipur, are 360 km apart. A car goes from Delhi to Jaipur at a speed of 80 km/h and returns to Delhi from Jaipur using the same route at a speed of 120 km/h. What is the average speed of the car?
Which Article of the Constitution of India provides protection of life and personal liberty?
Which of the following is a dark reddish coloured stone used as raw material in aluminium smelting?