Question
Mathematics Question on Arithmetic and Geometric Progressions
If a, b, c are in increasing A.P. and a + 1, b, c + 3 are in G.P. If A.M. of a, b, c is 8. Find cube of G.M. of a, b, c.
A
123
B
312
C
415
D
213
Answer
123
Explanation
Solution
The Correct answer is option(B) : 312