Motion in a Straight Line
This is one of the primary areas of application of time, speed and distance. By
using the basic relationship between time, speed and distance the following
three different cases are possible:
Case 1When S (Distance) is constant
Barrons SAT I Basic Word List
HOW TO PREPARE FOR THE
3,500 Basic Word List
Word List 1
/ /lower; humiliate. Defeated, Queen Zenobia was forced to abase herself before the
Machine Input - Output
Directions (1-6): A word and number arrangement machine when given an input line of
words and numbers rearranges them following a particular rule in each step. The following
is an illustration of input
When two or more than two pure substances/mixtures are mixed in a certain
ratio, they create a mixture. Here we shall confine ourselves to mostly
homogenous mixtures in view of the questions commonly asked in CAT.
Mixing without Replaceme
Traditionally, average is calculated by dividing the sum of all the numbers by the
number of numbers.
For example, the average of the four numbers 214, 215, 219, 224 will be
Central Value Meaning of Average
Average can also be seen as the
The purpose of studying Profit, Loss and Discount is to understand the
mechanism of profit generation under different situations. Broadly it can be seen
in two ways:
Questions which you will find here will be based ei
Directions(1-6): Study the following information to answer the given questions:
A, B, C, D, E, F, G and H are sitting around a circle facing, the centre. H is fourth to the
left of B and second t
Average involving time, speed and distance
However, while solving the questions involving time, speed and distance, we
should assume some distance, preferably the LCM of all the given speeds.
Lovely goes to Patna from New Delhi at a speed of 40 km
The price (amount) paid to purchase a product or the cost incurred in
manufacturing a product is known as the cost price (CP) of that product.
Types of cost
1. Fixed costAs obvious from the name, it is that kind of cost which is
fixed in all th
(i) If A can do a piece of work in n days, then work done by him in 1 day = 1/n.
(ii) If A's 1 day's work = 1/n, then A can finish the work whole work in n days.
Shikha can weave a sweater in 8 days.
So, her 1 day's work = 1
We know that when the direction of the movement of a boat and a river is the
same, the relative speed is obtained by adding the speeds of both, the boat and
the river. But if two trains are moving in the same direction, then what is the
A clock is a typical example of a circular motion where length of the track is
equal to 60 km (Assume 1 minute =1 km). Now on this track, two runners, i.e.,
hour hand and minute hand are running with a speed of 5 km/h and 60 km/h
In the case of races and motions in straight line, we have observed that if the
two bodies or persons are moving with different speeds in a straight line in one
direction, then they will never meet. This is due to the fact that with the pa