APSC Prelims and Mains Notes, APSC Test Series
TIME & DISTANCE In this module we will deal with basic concepts of time and distance, speed, average speed, conversion from km/h to m/s and vice versa. This chapter will form the basis of further concept of relative speed which is used in train and boat problems. Important … Read more
TIME AND WORK In these problems the number of persons, quantity of work done and time taken are important factors. Also time taken by a person depends on the efficiency of that person which comes into picture when different people do the work such as women, children do the work … Read more
Time and distance Relationship between speed, distance and time Speed = Distance / Time or Distance = Speed × Time Average Speed = 2xy / x+y where x km/hr is a speed for certain distance and y km/hr is a speed at for same distance covered. As we know, Speed = Distance/ Time. … Read more
HCM and LCM Factors A factor of a number are all those numbers, which exactly divide the given number. “Exactly divides” means that when a number is divided by its factor the reminder is always 0. For example: 1,2,and 4 are the factors of 4. Multiples Multiples of a number are those numbers … Read more
The Election Commission has invoked its powers under Art 324 to curtail campaigning in West Bengal following violence in Kolkata. The Election Commission of India passed an unprecedented order ending the campaign in West Bengal at 10 pm the following day instead of 5 pm on May 17 as was notified earlier, and is the … Read more
India is geographically the second-largest country not to have multiple time-zones- the People’s Republic of China being the other. Adopting two time zones for India is something that the Government ought to consider and look to implement. Far too many people in India operate in a time zone that is not an appropriate diurnal cycle … Read more
:- Origin of the Earth:- EARLY THEORIES:- A large number of hypotheses were put forth by different philosophers and scientists regarding the origin of the earth. One of the earlier and popular arguments was by German philosopher Immanuel Kant. Mathematician Laplace revised it in 1796. It is known as Nebular Hypothesis. The hypothesis … Read more
In this module we will deal with basic concepts of time and distance, speed, average speed, conversion from km/h to m/s and vice versa. This chapter will form the basis of further concept of relative speed which is used in train and boat problems. Important Formulas Speed=Distance/Time Distance=Speed×Time Time=Distance/Speed To convert Kilometers per Hour(km/hr) … Read more