Question

Solution

Correct option is

SIMILAR QUESTIONS

Q1
Q2

If a, b, c are three distinct numbers such that a, b, c are in A.P. and a, c – b,  b – a are in G.P. then the ratio a : b : c equals

Q3

  

                        

Q4

Let n ∈ N, n > 25. Let A, G, H denote the arithmetic mean, geometric mean and harmonic mean of 25 and n. The least value of n for which A, G, H ∈ {25, 26, …, n}, is

Q8

Let a, b, c be distinct real numbers which are in G.P. If ∈ is such that a + x, b + x, c + x, are in H.P., then equals  

Q9

Let a, b, c be in A.P., and (b – c) x+ (c – a) x +(a – b) = 0 and 2(a + c) x2 +(b + c) x = 0 have a common root, then

Q10

In a sequence of 21 terms the first 11 terms are in A.P. with common difference 2 and the last 11 terms are in G.P. with common ratio 2. If the middle terms of the A.P. is equal to the middle term of the G.P., then the middle term of the entire sequence is