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EXPERIMENT : An operation which can produce some well-defined outcome is called an experiment. RANDOM EXPERIMENT : An experiment in ... -
Simple problems: 1 .The present age of a father is 3 years more than three times the age of his son.Three years hence,father's... -
Averages Formula : 1 .Average=Sum of quantities/Number of quantities. 2 .Suppose a man covers a certain distance at x kmph and ... -
Introduction : Puzzles are dealt in a detailed manner with certain solutions. Different puzzles are gathered from Shakuntala Devi pu... -
PERCENTAGES :- By a certain percent, we mean that many hundredths. Thus x percent means x hundredths written as x% . ... -
Simple problems: 1 .What least number must be added to 3000 to obtain a number exactly divisible by 19? Solution: On dividing 3000 ... -
CLASSIFICATION TYPE Read the following information carefully and answer the questions that follow: 1) There are six cities A,B,C,D... -
Banker Concept -> Suppose a merchant A buys goods worth Rs.10000 from another merchant B at a credit of say 5 months -> T... -
1 . INLET :- A pipe connected with a tank or cistern or a reservoir, that fills it, it is known as Inlet. OUTLET : -... -
RACES AND GAMES OF SKILL Races :- A contest of speed in running ,riding,driving,sailing or rowing is called a Race. Race Course :...