MHT-CET TRIUMPH Mathematics Multiple Choice Questions Part - 1 Based on Std. XI & XII Syllabus of MHT-CET>Chapter 7 - Sequence and Series>Competitive Thinking>Q 84

EASY

MHT-CET

IMPORTANT

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If $a_{1}, a_{2}, a_{3}, \dots \dots . . a_{n}$ are in $H . P .$ , then $a_{1} a_{2} + a_{2} a_{3} + \dots \dots + a_{n - 1} a_{n}$ will be equal to

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Important Questions on Sequence and Series

EASY

MHT-CET

IMPORTANT

MHT-CET TRIUMPH Mathematics Multiple Choice Questions Part - 1 Based on Std. XI & XII Syllabus of MHT-CET>Chapter 7 - Sequence and Series>Competitive Thinking>Q 85

The sixth

H . M .

between

3

and

\frac{6}{13}

is

EASY

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IMPORTANT

MHT-CET TRIUMPH Mathematics Multiple Choice Questions Part - 1 Based on Std. XI & XII Syllabus of MHT-CET>Chapter 7 - Sequence and Series>Competitive Thinking>Q 86

The

H . M .

between the roots of the equation

x^{2} - 10 x + 11 = 0

is

EASY

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IMPORTANT

MHT-CET TRIUMPH Mathematics Multiple Choice Questions Part - 1 Based on Std. XI & XII Syllabus of MHT-CET>Chapter 7 - Sequence and Series>Competitive Thinking>Q 87

If

a, b, c

are in

H . P .

, then which one of the following is true?

EASY

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IMPORTANT

MHT-CET TRIUMPH Mathematics Multiple Choice Questions Part - 1 Based on Std. XI & XII Syllabus of MHT-CET>Chapter 7 - Sequence and Series>Competitive Thinking>Q 88

If three real numbers

a, b, c

are in harmonic progression, then which of the following is true?

EASY

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IMPORTANT

MHT-CET TRIUMPH Mathematics Multiple Choice Questions Part - 1 Based on Std. XI & XII Syllabus of MHT-CET>Chapter 7 - Sequence and Series>Competitive Thinking>Q 89

If

H

is the harmonic mean between

p

and

q

, then the value of

\frac{H}{p} + \frac{H}{q}

is

EASY

MHT-CET

IMPORTANT

MHT-CET TRIUMPH Mathematics Multiple Choice Questions Part - 1 Based on Std. XI & XII Syllabus of MHT-CET>Chapter 7 - Sequence and Series>Competitive Thinking>Q 90

A boy goes to school from his home at a speed of

x km / hour

and comes back at a speed of

y km / hour

, then the average speed is given by

EASY

MHT-CET

IMPORTANT

MHT-CET TRIUMPH Mathematics Multiple Choice Questions Part - 1 Based on Std. XI & XII Syllabus of MHT-CET>Chapter 7 - Sequence and Series>Competitive Thinking>Q 91

If

x, y, z

are in

H . P .,

then the value of the expression

\log (x + z) + \log (x - 2 y + z)

will be

EASY

MHT-CET

IMPORTANT

MHT-CET TRIUMPH Mathematics Multiple Choice Questions Part - 1 Based on Std. XI & XII Syllabus of MHT-CET>Chapter 7 - Sequence and Series>Competitive Thinking>Q 92

If

\frac{a^{n + 1} + b^{n + 1}}{a^{n} + b^{n}}

be the harmonic mean between

a

and

b

, then the value of

n

is