How to crack a math problem in 30 seconds part 1

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welcome to WWE collegiate comm viewers

and subscribers today I am going to

discuss about a problem so how to crack

that problem in 30 seconds so why do we

solve in 30 seconds the problem because

in competitive entrance examination we

have only stipulated time in limited

time we are asked to solve more than 80

or sometimes 100 problems in the

examination so that is also moreover the

multiple choice questions so that is why

we have to improve our speed and

accuracy so in order to enhance our

speed and accuracy it had better to

remember formulae concepts as well as

some in addition to them some techniques

after we developed so while following

the problems so that is why regarding

that actually here so I would like to

construct them some problems how to