JEE Questions for Maths Equations And Inequalities Quiz 7 - MCQExams.com

The greatest value of xyz for +ve values of x, y, z ; where yz + zx + xy = 12 is

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8
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10

The least value of 3x + 4y for +ve values of x and y subject to the conditions x² y³ = 6 is

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6
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8
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10

Maths-Equations and Inequalities-27552.png

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4

If a, b, c are real numbers such that a² + b² + c² = 1. Then

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Maths-Equations and Inequalities-27558.png

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None of these

Maths-Equations and Inequalities-27563.png

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None of these

Maths-Equations and Inequalities-27568.png

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None of these

Maths-Equations and Inequalities-27573.png

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1
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3
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4

Maths-Equations and Inequalities-27575.png

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0
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1
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None of these

Maths-Equations and Inequalities-27577.png

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2)
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None of these

Maths-Equations and Inequalities-27582.png

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a, b, d
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b, c, d
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a, b, c
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Maths-Equations and Inequalities-27585.png

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Maths-Equations and Inequalities-27591.png

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0
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4
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2
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None of these

Maths-Equations and Inequalities-27593.png

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None of these

Maths-Equations and Inequalities-27598.png

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None of these

Maths-Equations and Inequalities-27603.png

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Maths-Equations and Inequalities-27609.png

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Infinite
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4
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3
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2

Maths-Equations and Inequalities-27611.png

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5
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2
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3
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4

Maths-Equations and Inequalities-27613.png

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None of these

Maths-Equations and Inequalities-27618.png

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Maths-Equations and Inequalities-27624.png

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None of these

Maths-Equations and Inequalities-27629.png

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None of these

Maths-Equations and Inequalities-27634.png

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Maths-Equations and Inequalities-27640.png

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None of these

Maths-Equations and Inequalities-27645.png

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Three real roots
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Maths-Equations and Inequalities-27650.png

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None of these

Maths-Equations and Inequalities-27655.png

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Maths-Equations and Inequalities-27661.png

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Maths-Equations and Inequalities-27667.png

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2)
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Maths-Equations and Inequalities-27673.png

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All the roots real
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One real and eight imaginary roots
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None of these

Maths-Equations and Inequalities-27676.png

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2)
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Maths-Equations and Inequalities-27682.png

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No real root
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At least one real root
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Exactly one root
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An infinite number of real roots

Maths-Equations and Inequalities-27684.png

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0
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1
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2
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Maths-Equations and Inequalities-27687.png

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One root
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No real root
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An infinite number of roots
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None of these

Maths-Equations and Inequalities-27689.png

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0
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1
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3

Maths-Equations and Inequalities-27691.png

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4

Maths-Equations and Inequalities-27693.png

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None of these

Maths-Equations and Inequalities-27698.png

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Maths-Equations and Inequalities-27704.png

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5
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7
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–7
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2

Maths-Equations and Inequalities-27706.png

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67
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76
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–67
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–76

Maths-Equations and Inequalities-27708.png

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Maths-Equations and Inequalities-27714.png

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A. P
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G. P
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H. P
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None of these

Maths-Equations and Inequalities-27716.png

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3, –5
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–3, 5
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3, 5
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–3, –5

Maths-Equations and Inequalities-27718.png

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Maths-Equations and Inequalities-27724.png

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Maths-Equations and Inequalities-27730.png

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Maths-Equations and Inequalities-27736.png

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23281
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23218
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23128
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23182

The quadratic equation with rational, coeffcient the sum of the squares of whose roots is 40 and the sum of the cubes of whose root is 208 is _________

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Maths-Equations and Inequalities-27743.png

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Maths-Equations and Inequalities-27749.png

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–1
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1
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–2
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2

0:0:1

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