2½ന്റെ 1½ മടങ്ങ് എത്ര ?A1 ¾B2 ¾C4 ¾D3 ¾Answer: D. 3 ¾ Read Explanation: 212×112=52×322\tfrac{1}{2} \times 1\dfrac{1}{2} = \frac{5}{2} \times \frac{3}{2}221×121=25×23=154 = \frac{15}{4}=415=334= 3\tfrac{3}{4}=343 Read more in App