9. Let $\mathrm { a } 1 , \mathrm { a } 2 , \ldots \ldots , \mathrm { a } 10$ be in A.P. and h1, h2, ……, h10 be in H.P. If a1 $= \mathrm { h } 1 = 2$ and a10 = $\mathrm { h } 10 = 3$, then a4 h7 is : (A) 2 (B) 3 (C) 5 (D) 6
9. Let $\mathrm { a } 1 , \mathrm { a } 2 , \ldots \ldots , \mathrm { a } 10$ be in A.P. and h1, h2, ……, h10 be in H.P. If a1 $= \mathrm { h } 1 = 2$ and a10 = $\mathrm { h } 10 = 3$, then a4 h7 is :\\
(A) 2\\
(B) 3\\
(C) 5\\
(D) 6\\