rs aggarwal quantitative aptitude

BANKER’S DISCOUNT   IMPORTANT CONCEPTS Banker’s Discount : Suppose a merchant A buys goods worth, say Rs. 10,000 from another

­SIMPLE INTEREST    IMPORTANT FACTS AND FORMULAE 1.. Principal: The money borrowed or lent out for a certain period is

COMPOUND INTEREST   Compound Interest: Sometimes it so happens that the borrower and the lender agree to fix up a

BOATS AND STREAMS   IMPORTANT FACTS AND FORMULAE   1.In water ,the direction along the stream is called downstream and

PIPES AND CISTERNS IMPORTANT FACTS AND FORMULAE   Inlet: A pipe connected with a tank or a cistern or a

CHAIN RULE _IMPORTANT FACTS AND FORMULAE   Direct Proportion: Two quantities are said to be directly proportional, if on the

TRUE DISCOUNT   IMPORTANT CONCEPTS   Suppose a man has to pay Rs. 156 after 4 years and the rate

VOLUME AND SURFACE AREA   IMPORTANT FORMULAE   I. CUBOID Let length = 1, breadth = b and height =

TIME AND WORK II MPORTANT FACTS AND FORMULAE   If A can do a piece of work in n days,

TIME AND DISTANCE                            IMPORTANT FACTS AND FORMULAE                      Distance                    Distance Speed = Time ,  Time=      Speed      , Distance  =