Practicing Success
Practicing Success
CUET Preparation Today
If 256, K, K, 81 are in proportion, and K is positive, then what is the value of K ? |
156 126 144 164 |
144 |
Here, 256 : k :: k : 81 ⇒ \( {k }^{2 } \) = 256 x 81 ⇒ k = \(\sqrt {256 × 81 }\) ⇒ k = 16 x 9 ⇒ k = 144. |
