Question

40 upon 30 × 12 upon 10 × 30 upon 12​

Answer 1

Look at the attached picture for the answer
Mark me brainliest plz

Answer 2

αηsωєя :-

$\sf{ \frac{40}{30} \times \frac{12}{10} \times \frac{ {30}}{12} } \\ \\ \sf{\frac{ 4 \cancel{0}}{ \cancel{30}} \times \frac{ \cancel{12}}{1 \cancel{0}} \times \frac{ \cancel{30}}{ \cancel{12} }} \\ \\ \underline{ \sf{ \bold{ = 4 \: ans}}}$