In a certain language, if the signs + and ×, and the digits 3 and 8 are interchanged, then what is the value of the following expression?
 6 × 35 ÷ 5 + 8 – 9

Select the correct combination of mathematical signs to sequentially replace the # signs and to balance the given equation.
 [{(44 # 38) # (2 # 5)} # (4 # 2)] # 5 # 10

Select the correct combination of mathematical signs to sequentially replace the * signs and balance the given equation.
 268 * 4 * 8 * 5 * 14 = 41

Select the correct combination of mathematical signs to replace the * signs sequentially and balance the given equation.
 99 * 33 * 66 * 22 * 44 * 50

Direction: Some equations have been solved on the basis of certain system. Find the correct answer for the unsolved equation on that basis.

If 7 × 8 = 49, 4 × 4 = 12 and 6 × 4 = 18, what will 9 × 6 be?

Select the correct combination of mathematical signs to replace the * signs and to balance the given equation.
 39 * 4 * 61 * 18 * 4 * 49 * 7 * 30

Select the correct combination of mathematical signs to sequentially replace the * signs and to balance the given equation.
 25 * 5 * 10 * 2 * 8 *60

Select the correct combination of mathematical signs to replace the * signs and to balance the given equation.
 31 * 29 * 43 * 85 * 5