By interchanging the given two signs which of the following equation will be not correct?
 – and × 

Select the correct combination of mathematical signs to sequentially replace the * signs and to balance the given equation.
 12 * 24 * 4 * 2 * 60

What will be the value of the given expression if ‘A’ means ‘+’, ‘B’ means ‘–’, ‘C’ means ‘×’, and ‘D’ means ‘÷’?
 35 A 25 B 12 C 25 D 5 

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

If 4 + 3 = 25 and 8 + 4 = 80, then, 3 + 2 = ?

Select the corr ect combination of mathematical signs to replace the * signs and to balance the given equation.
 13 * 5 * 3 * 3 * 2 

Select the correct combination of mathematical signs to replace the * signs and to balance the given equation.
 96 * 6 * 24 * 49 * 25

By interchanging the given two signs and numbers which of the following equation will be correct?
 + and ×, 1 and 2

Select the correct combination of mathematical signs to sequentially replace the * signs and balance the given equation.
 17 * 11 * 42 * 2 * 7 = 18