If a, b and c are three positive numbers in an arithmetic progression, then:

If a, b and c are positive numbers in arithmetic progression and a^(2), b^(2) and c^(2) are in geometric progression, then a^(3), b^(3) and c^(3) are in (A) arithmetic progression. (B) geometric progression. (C) harmonic progression.

The sides of a triangle are distinct positive integers in an arithmetic progression.If the smallest side is 10, the number of such triangles is

Let a, b, c, d, e be natural numbers in an arithmetic progression such that a + b + c + d + e is the cube of an integer and b + c + d is square of an integer. The least possible value of the number of digits of c is

If the positive real numbers a, b and c are in Arithmetic Progression, such that abc = 4, then minimum possible value of b is

Find three numbers a, b, c between 2 and 18 such that: (i) their sum is 25, and (ii) the numbers 2, a, b are consecutive terms of an arithmetic progression, and (iii) the numbers b, c, 18 are consecutive terms of a geometric progression.

The sum of three consecutive terms in an arithmetic progression is 6 and their product is 120. Find the three numbers.

Let the harmonic mean of two positive real numbers a and b be 4. If q is a positive real number such that a,5,q,b is an arithmetic progression , then the value (s) of abs(q - a) is (are)

If a,b,c are three positive numbers,then . a/b + b/c + c/a

Let three positive numbers a, b c are in geometric progression, such that a, b+8 , c are in arithmetic progression and a, b+8, c+64 are in geometric progression. If the arithmetic mean of a, b, c is k, then (3)/(13)k is equal to