Vani and Kala along with three other friends went to a butter milk shop. The cost of one butter milk is Rs. 6. If 9 more friends joined them, then how much money did they have to pay? Vani said they had to pay Rs. 84 whereas Kala said they had to pay Rs. 59. Who is correct?

Convert into a Tree diagram (9\(\times\)5) + (10\(\times\)12)

Convert into a Tree diagram {[(10 \(\times\) 5)+6]\(\times\)[5+(6−2)]}\(\div \)[8\(\times\)(4+2)].

Convert the Tree diagram into a numerical expression.

Write the missing numbers in the trees.