User:Sujatasahu/Math-e-magic/QUICK REVISION

Terminology, Which in plain English, means, Names

 * How Far Can you Go ?  ->>  Distance
 * How Quick Can you go? -->>Speed
 * How Long will you take to go where you want to go ? -->> Time

Those are the only three things that you need to be aware of while doing questions on Speed, Distance & Time

Variables, means short-forms for things that are not yet known
So, Lets give these big words short names that are easy to remember Red>D
 * Lets give Distance  a smaller name and call it Speed  a smaller name and call it S


 * And finally, lets shorten Time  to T

Formulas, Or Rules that will help solve your problem

 * There is really only one rule that you need to remember

SPEED = DISTANCE divided by TIME

S = D divided by T

How do I use the formula to solve the Problem
Use this Image to remember the formula

Rules to use this formula:

i.e. if T is not known then remove, T from the triangle and the two remaining D and S form the formula D divided by S
 * The variables in the bottom are multiplied
 * The variable on the top is the dividend
 * So, if one of the variable is unknowm, then just perform the operation on the other two as given in the triangle

So How do I approach a problem ?
i.e. if S is not known, use D and T from the formula above to find it
 * Simple Problems
 * 1) Read the Problem first and find out what information is given
 * 2) Out of the three, Speed, Distance and Time, two of them will be given
 * 3) If Speed is given, then say '''S ="given speed"
 * 4) If Distance is given, then say '''D ="given distance"
 * 5) If Time is given, then say '''T ="given time"
 * 6) List what needs to be found out
 * 7) Finally use the formula to find out whatever variable is missing.