Select the correct combination of mathematical signs to sequentially replace the * signs and balance the given equation.
 33 * 4 * 15 * 3 * 61 = 188

Select the correct combination of mathematical signs to replace the * signs and to balance the given equation.
 78 * 43 * 2 * 56 * 27 * 4

Which of the following symbols should be placed in the blank spaces respectively (in the same order from left to right) in order to complete the given expression in such a manner that “D < A” definitely holds True?
A __ B __ C __ D

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

        64 + 7 = 460

        43 + 8 = ?

        25 + 8 = 212

Select the correct combination of mathematical signs to sequentially replace the * signs and balance the given equation.
 35 * 5 * 7 * 2 * 19 = 42

Which two signs should be interchanged to make the given equation correct?
 48 ÷ 12 × 3 + 5 − 4 = 21

Select the correct combination of mathematical signs to replace the * signs and to balance the given equation.
 42 * 4 * 69 * 3 * 29 * 60 * 5

Select the correct combination of mathematical signs to replace the * signs and to balance the given equation.
 67 * 88 * 8 * 14 * 3 * 19 * 17