Drain Theory

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  Dadabhai Naoroji: ‘Poverty in India’ (1876) He claimed that the drain of wealth and capital from the country which started after 1757 was responsible for absence of development in India. Drain was done through trade, industry and finance Two elements of the drain That arising from the remittances by European officials of their savings, … Read more Drain Theory

Industrial Transition in India

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  The process of industrial transition divided into: industrial growth during the 19th century and industrial progress during the 20th century Industrial growth during the 19th century Decline of indigenous industries and the rise of large scale modern industries 1850-55: first cotton mill, first jute mill and the first coal mine established. Railway also introduced. … Read more Industrial Transition in India

India under the British Rule

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  The economic consequences of the British rule can be studied under three heads: Decline of Indian Handicrafts and progressive ruralisation of the Indian economy Growth of the new land system and the commercialisation of Indian agriculture Process of industrial transition of India Decline of Handicrafts While India was an exporter of Handicrafts before the … Read more India under the British Rule

PIPES & CISTERN

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  Pipes and Cistern   Inlet: A pipe connected with a tank or a cistern or a reservoir, that fills it, is known as an inlet.   Outlet: A pipe connected with a tank or cistern or reservoir, emptying it, is known as an outlet.   If a pipe can fill a tank in xhours, then: … Read more PIPES & CISTERN

SQUARE ROOT & CUBE ROOTS

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Square Root & Cube Root   Step 1: First of all group the number in pairs of 2 starting from the right.   Step 2: To get the ten’s place digit, Find the nearest square (equivalent or greater than or less than) to the first grouped pair from left and put the square root of the square.   … Read more SQUARE ROOT & CUBE ROOTS

SURDS

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Surds A surd is a square root which cannot be reduced to a rational number. For example,  is not a surd. However  is a surd. If you use a calculator, you will see that  and we will need to round the answer correct to a few decimal places. This makes it less accurate. If it is left as , then the … Read more SURDS

SIMPLIFICATION

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Simplification Simplification is one of the most important part of Quantitative Aptitude section of any competitive exam. Today I am sharing all the techniques to solve Simplification questions quickly. Rules of Simplification V → Vinculum B → Remove Brackets – in the order ( ) , { }, [ ] O → Of D → Division M → Multiplication A … Read more SIMPLIFICATION

PROFIT & LOSS

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Profit and loss   IMPORTANT FACTS Cost Price: The price, at which an article is purchased, is called its cost price, abbreviated as C.P.   Selling Price: The price, at which an article is sold, is called its selling prices, abbreviated as S.P.   Profit or Gain: If S.P. is greater than C.P., the seller is said to have … Read more PROFIT & LOSS

AGE PROBLEMS

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Age Problems   Important Formulas on “Problems on Ages”:   If the current age is x, then ntimes the age is nx. If the current age is x, then age nyears later/hence = x+ n. If the current age is x, then age nyears ago = x– n. The ages in a ratio a: bwill be ax and bx. 5. If the current age is x, then 1 of the age is … Read more AGE PROBLEMS

FRACTIONS

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Fractions Any unit can be divided into any numbers of equal parts, one or more of this parts is called fraction of that unit. e.g. one-forth (1/4), one-third (1/3), three-seventh (3/7) etc. The lower part indicates the number of equal parts into which the unit is divided, is called denominator. The upper part, which indicates the number of … Read more FRACTIONS