If a country produces consumer goods only and nothing else, then-

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LEELADHAR YADAV Asked Sep 29, 2023

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LEELADHAR YADAV Asked Oct 1, 2023

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The total value of goods and services produced in a country during a given period is

LEELADHAR YADAV Asked Oct 1, 2023

by LEELADHAR YADAV

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ALOK_RAJ Asked Nov 16, 2023

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A solid element M burns in oxygen and produces only the gaseous oxide of M without any change in volume.

ALOK_RAJ Asked Nov 16, 2023

by ALOK_RAJ

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LEELADHAR YADAV Asked Aug 27, 2023

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If $\alpha=3 \sin ^{-1}\left(\frac{6}{11}\right)$ and $\beta=3 \cos ^{-1}\left(\frac{4}{9}\right)$, where the inverse trigonometric functions take only the principal values, then the correct option(s) is(are)

LEELADHAR YADAV Asked Aug 27, 2023

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LEELADHAR YADAV Asked Sep 24, 2023

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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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Sanjeev Yadav ji Asked Aug 9, 2023

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"What our cinema needs above everything else is a style, an idiom, a sort of iconography of cinema, which would be uniquely and recognisably Indian." How far this applies to Indian cinema today? Discuss.

Sanjeev Yadav ji Asked Aug 9, 2023

by Sanjeev Yadav ji

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Saurabh Kumar Verma Asked Jun 2, 2022

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20 teachers of a school either teach Mathematics or Physics. 12 of them teach Mathematics while 4 teach both the subjects. Then, the number of teachers teaching Physics only is

Saurabh Kumar Verma Asked Jun 2, 2022

by Saurabh Kumar Verma

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ANAND_YADAV Asked Jul 25, 2023

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A monocotyledonous plant bears flower but never produces fruits and seeds.

ANAND_YADAV Asked Jul 25, 2023

by ANAND_YADAV

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ALOK_RAJ Asked Apr 25

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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 Apr 25

by ALOK_RAJ

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Aayush Asked Mar 2

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If y is a function of x and $\log (x+y)=2 x y$, then the value of $y^{\prime}(0)$ is equal to

Aayush Asked Mar 2

by Aayush

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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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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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Aayush Asked Feb 7

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If in the equation $y=a \sin (\omega t-K x)$, y and x stands for distance and t for time respectively, then find the dimension of $a, \omega$, and $K$.

Aayush Asked Feb 7

by Aayush

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Aayush Asked Jan 5

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In a mixture, the ratio of milk and water is 8: 7. If 11 litres of water is mixed, then the ratio becomes 8: 9. Find the amount of milk in the initial mixture.

Aayush Asked Jan 5

by Aayush

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ALOK_RAJ Asked Dec 1, 2023

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Lemon juice normally has a pH of 2 . If all the acid in the lemon juice is citric acid and there are no citrate salts present, then what will be the citric acid concentration (H.Cit) in the lemon juice?

ALOK_RAJ Asked Dec 1, 2023

by ALOK_RAJ

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Ankit Asked Sep 19, 2023

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Suppose, a circle passes through (2,2) and (9,9) and touches the x-axis at P. If O is the origin, then OP is equal to

Ankit Asked Sep 19, 2023

by Ankit

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Chandan Asked Sep 17, 2023

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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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LEELADHAR YADAV Asked Sep 3, 2023

95 views

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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LEELADHAR YADAV Asked Sep 3, 2023

378 views

It is given that $f(x)$ is a function defined on $N$, satisfying $f(1)=1$ and for any $x \in N$ $f(x+5) \geq f(x)+5 \quad \text { and } \quad f(x+1) \leq f(x)+1$ If $g(x)=f(x)+1-x$, then $g(2016)$ equals

LEELADHAR YADAV Asked Sep 3, 2023

by LEELADHAR YADAV

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378 Views

LEELADHAR YADAV Asked Aug 28, 2023

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If $g$ is the inverse of a function $f$ and $f^{\prime}(x)=\frac{1}{1+x^5}$, then $g^{\prime}(x)$ equal to:

LEELADHAR YADAV Asked Aug 28, 2023

by LEELADHAR YADAV

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LEELADHAR YADAV Asked Aug 28, 2023

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If $x, y, z$ are in A.P. and $\tan ^{-1} x, \tan ^{-1} y$ and $\tan ^{-1} z$ are also in A.P., then

LEELADHAR YADAV Asked Aug 28, 2023

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LEELADHAR YADAV Asked Aug 13, 2023

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Consider a relation R defined on set of square matrices A of order 2 satisfying $A^2=I$. If A, B are two such matrices then relation R is defined as $(A, B) \in R \Rightarrow(A B)^{\top}=A^{\top} B^{\top}$. Prove that relation R is reflexive and symmetric.

LEELADHAR YADAV Asked Aug 13, 2023

by LEELADHAR YADAV

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John Michael Asked Aug 12, 2023

112 views

In a class of 100 students, the average amount of pocket money is ₹35 per student. If the average is ₹25 for girls and ₹50 for boys, then the number of girls in the class is

John Michael Asked Aug 12, 2023

by John Michael

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John Michael Asked Aug 10, 2023

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If a solution containing components A and B follows Raoult's law then

John Michael Asked Aug 10, 2023

by John Michael

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John Michael Asked Aug 8, 2023

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If ${b} \times({a} \times {b})=\frac{2}{3}{a}$, then angle between a and b is

John Michael Asked Aug 8, 2023

by John Michael

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John Michael Asked Aug 8, 2023

133 views

If a, b and c are unit vectors such that a + b + c = 0, then angle between b and c is

John Michael Asked Aug 8, 2023

by John Michael

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John Michael Asked Aug 8, 2023

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If x, a, b and c are non-zero vectors such that a.x=0, b.x=0 and c.x=0, then [abc] is

John Michael Asked Aug 8, 2023

by John Michael

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John Michael Asked Aug 8, 2023

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If vectors a, b and c are mutually perpendicular vectors such that |a|=|b|=10,|c|=1, then the length of vector 2a + 2b + 40c is

John Michael Asked Aug 8, 2023

by John Michael

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ALOK_RAJ Asked Aug 8, 2023

215 views

In a batch of 15 students, if the marks of 10 students who passed are 70,50,95,40,60,70,80,90,75 and 80 then the median marks of all the 15 students is

ALOK_RAJ Asked Aug 8, 2023

by ALOK_RAJ

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ALOK_RAJ Asked Aug 3, 2023

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If A is the set of the divisors of the number 15, B is set of prime numbers smaller than 10 and C is the set of even numbers smaller than 9 , then $(A \cup C) \cap B$ is the set

ALOK_RAJ Asked Aug 3, 2023

by ALOK_RAJ

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ANAND_YADAV Asked Aug 2, 2023

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If C represents the capacity of a condenser and if V represents the P.d. across its end then find the dimension of $CV ^{2}$.

ANAND_YADAV Asked Aug 2, 2023

by ANAND_YADAV

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Shiv roshan kushwaha Asked Apr 3, 2022

130 views

A heavy uniform chain lies on a horizontal table. If the coefficient of friction between the chain and the table is 0.25. then the maximum fraction of the length of the chain that can hang over one edge of the table is

Shiv roshan kushwaha Asked Apr 3, 2022

by Shiv roshan kushwaha

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3 Votes

130 Views

ALOK_RAJ Asked Nov 16, 2021

122 views

If a LPG cylinder contains a mixture of butane and isobutane, then the amount of oxygen that would be required for complete combustion of 1.16 kg of mixture will be :

ALOK_RAJ Asked Nov 16, 2021

by ALOK_RAJ

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6 Votes

122 Views

AnjaliYadav Asked Aug 19, 2021

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If a = -1, b = 7 and c = 6, then find the value of (a+b) +c.

AnjaliYadav Asked Aug 19, 2021

by AnjaliYadav

1 Answer

4 Votes

85 Views

Chandan Asked Sep 12, 2023

187 views

100 mL of air containing only oxygen and nitrogen is taken in a jar over water. NO is slowly passed till more brown fumes appear in the gas jar. It is found that 42 mL of NO is required. The percentage nitrogen in the air would be:

Chandan Asked Sep 12, 2023

by Chandan

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0 Votes

187 Views

ALOK_RAJ Asked Jul 30, 2023

190 views

Thomas was a mariner, and working in defence force of his country. He was posted on the border of his country and has to look after the activity of the enemy in the sea.

ALOK_RAJ Asked Jul 30, 2023

by ALOK_RAJ

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190 Views

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