Relationship Between Arithmetic Mean and Geometric Mean

IMPORTANT

Relationship Between Arithmetic Mean and Geometric Mean: Overview

This topic covers concepts, such as, Relationship between Arithmetic Mean and Geometric Mean of Two Numbers etc.

Important Questions on Relationship Between Arithmetic Mean and Geometric Mean

MEDIUM
IMPORTANT

If a1,a2,.....an are positive real numbers whose product is a fixed number e, the minimum value of a1+a2+a3+.......+an-1+2an is

EASY
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If a1, a2, .......an are positive real numbers whose product is a fixed number e, the minimum value of a1+a2+ .......+2an is

MEDIUM
IMPORTANT

The number of different possible values for the sum x+y+z, where x, y, z are real number such that x4+4y4+16z4+64=32xyz is

EASY
IMPORTANT

The number of three digit numbers abc¯ such that the arithmetic mean of b & c and the square of their geometric mean are equal is

HARD
IMPORTANT

If x > m , y > n , z > r (x, y, z > 0) such that x n r m y r m n z = 0.

 The greatest value of xyz x - m y - n z - r   is 

HARD
IMPORTANT

If x > m , y > n , z > r (x, y, z > 0) such that x n r m y r m n z = 0.

The value of m x - m + y y - n + r z - r   is

HARD
IMPORTANT

If x>m,y>n,z>r(x,y,z > 0) such that xnrmyrmnz=0. The value of xx-m+yy-n+zz-r, is

HARD
IMPORTANT

If x, y(0,), then the least possible value of x100+100x+y50+50y is

HARD
IMPORTANT

If the first and 2n-1thterms of an A.P, G.P and H.P with positive terms are equal and their nth terms are a, b, c respectively, then which of the following options must be correct: 

HARD
IMPORTANT

Let a, x, b be in AP ; a, y, b are in GP and a, z, b are in HP where a and b are distinct positive real number. If x=y+2 and a=5z, then :

HARD
IMPORTANT

Let 1, abc, a2b2c2 are in A.P. (a, b, c>0), then minimum value of 27 a+8 b+125 c is :

EASY
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Statement 127abca+b+c3 and 3a+4b+5c=12 then 1a2+1b2+1c2=10, wherea, b, c  positive real number.
Statement 2: For positive numbers, AM>GM.

HARD
IMPORTANT

If a, b & c are positive real numbers and {1+a1+b1+c}7>k7a4b4c4, then maximum integer value of k is

MEDIUM
IMPORTANT

The product of n positive numbers is unity. Then, their sum is

HARD
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If x, y is positive real numbers then maximum value of xmyn1 + x2m1 + y2n is

MEDIUM
IMPORTANT

If positive number x,y,z are in A.P., then the minimum value of x+y2y-x+y+z2y-z is equal to

EASY
IMPORTANT

If where ai0,i=1,2,3,....n  and i=1nai=20 and if the greatest possible value of i=1n-1ai(ai+1) is S then S is equal to

EASY
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If fθ=2(sec2θ+cos2θ) , then its value always

HARD
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If x and y are positive real numbers then minimum value of x100+100x+y50+50y is

MEDIUM
IMPORTANT

If the three positive real numbers a, b, c are in A.P. and abc = 64, then the minimum value of b is