Some equations are solved on the basis of a certain system. Find the correct answer for the unsolved equation on that basis.
2 x 2 = 64, 3 x 1 = 27, 6 x 2 = 1728, 3 x 3 = ?

By interchanging which two signs the equation will be correct?
9 + 6 × 2 ÷ 4 – 6 = 15

In each of the following questions, which one of the four interchanges in signs and numbers would make the given equation correct?
( 3÷4 ) + 2=2 

Which of the following signs of equation are to be interchanged which will make the given equation correct?

5 + 6 ÷ 3 – 12 × 2 = 17

Some equations are solved on the basis of a certain system. Find the correct answer for the unsolved equation on that basis.
33 * 11 * 3 * 6 = 115 

Some equations are solved on the basis of a certain system. Find the correct answer for the unsolved equation on that basis.
7– 4 – 1 = 714, 9 – 2 – 3 = 932 8– 0–4 = ?  

Select the option in which the numbers do NOT share the same relationship as that shared by the given pair of numbers.
(98, 107, 125)

Select the correct combination of mathematical signs to sequentially replace the * signs and to balance the given equation.
 25 *5 * 10 * 2 * 4 * 10