If an industry is charecterised by economics of scale then–

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LEELADHAR YADAV Asked Sep 26, 2023

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ALOK_RAJ Asked 3 Days Ago

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If the eye is kept very close to a converging lens (focal length = 10 cm) and at the optical centre of the lens and an object is kept at distance 'd' then the minimum distance 'd' of the object from the lens so that its image can be seen clearly by the defect free eye is :

ALOK_RAJ Asked 3 Days Ago

by ALOK_RAJ

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Aayush Asked Mar 28

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If 10% be lost by selling an article in Rs. 22.50, then how much it should have been sold to gain 10%?

Aayush Asked Mar 28

by Aayush

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ANAND_YADAV Asked Aug 2, 2023

60 views

If a current I is flowing through an inductance L, then find the dimension of $L I ^{2}$.

ANAND_YADAV Asked Aug 2, 2023

by ANAND_YADAV

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Aayush Asked Feb 1

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An organic compound on analysis was found to contain 0.032% of Sulphur by mass. The molecular mass of the compound, if its one molecule contains two Sulphur atoms, is :

Aayush Asked Feb 1

by Aayush

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LEELADHAR YADAV Asked Aug 11, 2023

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Given a binary operation $: A \times A \rightarrow A$ with the identity element $e$ in $A$, an element $a \in A$ is said to be invertible with respect to the operation * if there exists an element $b$ in A such that $a^* b=e=b^* a$ and $b$ is called the inverse of $a$ and is denoted by ${a}^{-1}$.

LEELADHAR YADAV Asked Aug 11, 2023

by LEELADHAR YADAV

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ALOK_RAJ Asked Jul 30, 2023

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If an object exerts a force of 45 N over a surface of dimension 15m × 20m, what is the pressure exerted by the liquid?

ALOK_RAJ Asked Jul 30, 2023

by ALOK_RAJ

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Aayush Asked Feb 23

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A triangle is formed by joining three points A(8,2), B(-4,-4) and C(16,1) on rectangular hyperbola xy=16. If orthocentre of the triangle ABC is (h, k) then product hk is equal to

Aayush Asked Feb 23

by Aayush

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Ankit Asked Sep 21, 2023

148 views

Devdatta spends 75% of his income. If his income is increased by 20% and he increases his expenditure by 10%, then what percent is the increase in his savings?

Ankit Asked Sep 21, 2023

by Ankit

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148 Views

Chandan Asked Sep 17, 2023

164 views

Trick : If a number is to be divided by 75 then the number is multiplied by 4 and divided by 3 then the decimal point should be placed counting two digits later beside the right side of the product.

Chandan Asked Sep 17, 2023

by Chandan

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164 Views

Chandan Asked Sep 17, 2023

86 views

Trick: If any multiplier (11 to 19) has to be multiplied with multiplicand then every digit of multiplicand is multiplied with multiplier. Step by step can be found the product of the number.

Chandan Asked Sep 17, 2023

by Chandan

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Chandan Asked Sep 12, 2023

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If the binary operation * on the set of integers Z, is defined by a*b = a + 3b^2, then find the value 2 * 4 .

Chandan Asked Sep 12, 2023

by Chandan

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LEELADHAR YADAV Asked Sep 3, 2023

112 views

Let $f(x)=x(2-x), 0 \leq x \leq 2$. If the definition of ' $f$ ' is extended over the set, $R-[0,2]$ by $f(x-2)=f(x)$, then prove that ' $f$ ' is a periodic function of period 2 .

LEELADHAR YADAV Asked Sep 3, 2023

by LEELADHAR YADAV

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LEELADHAR YADAV Asked Aug 22, 2023

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If the binary operation * on the set Z of integers is defined by $a * b=a+b-5$, then write the identity element for the operation * in Z.

LEELADHAR YADAV Asked Aug 22, 2023

by LEELADHAR YADAV

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LEELADHAR YADAV Asked Aug 13, 2023

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Let L be the set of all straight lines in the Euclidean plane. Two lines $\ell_1$ and $\ell_2$ are said to be related by the relation R if $\ell_1$ is parallel to $\ell_2$. Then prove that R is equivalence relation.

LEELADHAR YADAV Asked Aug 13, 2023

by LEELADHAR YADAV

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John Michael Asked Aug 12, 2023

58 views

The mean of n items is $\bar{X}$. If the first term is increased by 1 , second by 2 and so on, then the new mean is

John Michael Asked Aug 12, 2023

by John Michael

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ANAND_YADAV Asked Aug 7, 2023

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If x-axis is the molecular axis, then π -molecular orbitals are formed by the overlap of

ANAND_YADAV Asked Aug 7, 2023

by ANAND_YADAV

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Aayush Asked Feb 7

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The circular scale of a spherometer is divided into 200 equal divisions; if its least count is 0.005 mm

Aayush Asked Feb 7

by Aayush

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48 Views

Aayush Asked Mar 2

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If the curves $y=a^x$ and $y=b^x$ intersect at an angle α, then tanα is equal to

Aayush Asked Mar 2

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LEELADHAR YADAV Asked Sep 3, 2023

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Let $f(x)=A x^2+B x+C$, where $A, B, C$ are real numbers. Prove that if $f(x)$ is an integer whenever $x$ is integer, then the numbers $2 A, A+B$ and $C$ are all integers.

LEELADHAR YADAV Asked Sep 3, 2023

by LEELADHAR YADAV

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ANAND_YADAV Asked Jul 29, 2023

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An experiment measures quantities $x, y, z$ and then $t$ is calculated from the data as $t=\frac{x y^{2}}{z^{3}}$. If percentage errors in $x , y$ and $z$ are respectively $1 \%, 3 \%, 2 \%$, then percentage error in $t$ is :

ANAND_YADAV Asked Jul 29, 2023

by ANAND_YADAV

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Ankit Asked Sep 21, 2023

81 views

In an examination, 52% students failed in English and 42% failed in Maths. If 17% students failed in both the subjects, then find the percentage of those students who passed in both the subjects.

Ankit Asked Sep 21, 2023

by Ankit

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ANAND_YADAV Asked Jul 29, 2023

171 views

The length of a rectangular plate is measured by a meter scale and is found to be $10.0 cm$. Its width is measured by vernier callipers as $1.00 cm$.

ANAND_YADAV Asked Jul 29, 2023

by ANAND_YADAV

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171 Views

LEELADHAR YADAV Asked Aug 28, 2023

79 views

If $f: R \rightarrow R$ defined by $f(x)=\frac{3 x+5}{2}$ is an invertible function, find $f^{-1}$.

LEELADHAR YADAV Asked Aug 28, 2023

by LEELADHAR YADAV

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79 Views

LEELADHAR YADAV Asked Aug 17, 2023

138 views

Let A={1,2,3,4,5,6} and * be an operation A defined by $a{ }^* b=r$, where r is the least non-negative remainder when the product a b is divided by k. Operation * is binary operation if k=

LEELADHAR YADAV Asked Aug 17, 2023

by LEELADHAR YADAV

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Dev Yaduvanshi Asked Dec 9, 2023

31 views

What challenges does the aviation industry face in adopting SAF on a larger scale?

Dev Yaduvanshi Asked Dec 9, 2023

by Dev Yaduvanshi

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Ankit Asked Sep 14, 2023

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If $f(x)=\left\{\begin{array}{ll}1, & x \leq 3 \\ a x+b, & 3<x<5 \\ 7, & 5 \leq x\end{array}\right.$ is continuous, then $(a, b)$ are given by

Ankit Asked Sep 14, 2023

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LEELADHAR YADAV Asked Aug 13, 2023

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If $\oplus$ is a binary operation on R defined by $a \oplus b=\frac{a}{4}+\frac{b}{7}$ for $a, b \in R$, then show that : $(2 \oplus 5) \oplus 7 \neq 2 \oplus(5 \oplus 7)$.

LEELADHAR YADAV Asked Aug 13, 2023

by LEELADHAR YADAV

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Mihir verma Asked Apr 3, 2022

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At low pressure, if $R T=2 \sqrt{a \cdot P}$, then the volume occupied by a van der Waal's gas is :

Mihir verma Asked Apr 3, 2022

by Mihir verma

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4 Votes

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Ankit Asked Sep 21, 2023

51 views

If the price of sugar be increased by 20%, then find by how much percent must its consumption be decreased to keep the expenditure fxed on sugar.

Ankit Asked Sep 21, 2023

by Ankit

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Chandan Asked Sep 17, 2023

73 views

Trick : If any number be divided by 5 Then that number multiplied by 2 and the product be divided by 10 then decimal point should be placed one digit later beside the right side of the product.

Chandan Asked Sep 17, 2023

by Chandan

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Chandan Asked Sep 17, 2023

85 views

Trick : If any number has to be multiplied by 75 then place two zeros beside right side, multiply by 3 and divide by 4 of the number.

Chandan Asked Sep 17, 2023

by Chandan

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LEELADHAR YADAV Asked Sep 24, 2023

88 views

When there is affect on economic activity of an specific country due to import and export, then such economy are called-

LEELADHAR YADAV Asked Sep 24, 2023

by LEELADHAR YADAV

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1 Vote

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ALOK_RAJ Asked Nov 17, 2023

69 views

Give an account of the information and technology industry in India.

ALOK_RAJ Asked Nov 17, 2023

by ALOK_RAJ

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LEELADHAR YADAV Asked Sep 25, 2023

103 views

The term “Micro Economics” and “Macro Economics” was coined by?

LEELADHAR YADAV Asked Sep 25, 2023

by LEELADHAR YADAV

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103 Views

LEELADHAR YADAV Asked Sep 26, 2023

92 views

Who is called the 'Father of Economics'?

LEELADHAR YADAV Asked Sep 26, 2023

by LEELADHAR YADAV

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0 Votes

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If an industry is charecterised by economics of scale then–

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