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If H is the harmonic mean between a and b then H+aH-a+H+bH-b is equal to

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Important Questions on Sequence and Series

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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>Critical Thinking>Q 75
If a, b, c, and b, c, d are in H.P. then ab+bc+cd 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>Critical Thinking>Q 76
If a and b are two different positive real numbers, then which of the following relations is true
EASY
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MHT-CET TRIUMPH Mathematics Multiple Choice Questions Part - 1 Based on Std. XI & XII Syllabus of MHT-CET>Chapter 7 - Sequence and Series>Critical Thinking>Q 77
H.M. between two numbers is 4. The A.M. A and the G.M. G between them satisfy the relation 2A+G2=27. The numbers are
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>Critical Thinking>Q 78
If a,b,c are in A.P., then 3a,3b,3c shall be in
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>Critical Thinking>Q 79
If a, b, c are in A.P., then 2ax+1, 2bx+1, 2cx+1, x≠0 are in
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>Critical Thinking>Q 80
If  a, b, c are in  A.P., then 10ax+10, 10bx+10, 10cx+10 will be in
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MHT-CET TRIUMPH Mathematics Multiple Choice Questions Part - 1 Based on Std. XI & XII Syllabus of MHT-CET>Chapter 7 - Sequence and Series>Critical Thinking>Q 81
If ax=by=cz and a, b, c are in G.P., then x, y, z are in
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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>Critical Thinking>Q 82
If  logax, logbx, logcx be in H.P., then  a, b, c are in