Question

Let a1, a2, a3, …. be a G.P. of increasing positive numbers. Let the sum of its 6th and 8th terms be 2 and the product of its 3rd and 5th terms be $\frac{1}{9}$ .Then 6 (a2 + a4) (a4 + a6) is equal to

• A. 2
• B. $2\sqrt2$
• C. $3\sqrt3$
• D. 3

Answer 1

Answer: (D)

3

Answer 2

The correct answer is (C) : 3