4. A certain system is followed to solve the problem . Accordingly find out the correct answer from the alternatives for the unsolved equations. 7 x 4 x 9 = 479 9 x 5 x 2 = 592 6 x 9 x 5 = 965 8 x 6 x 2 = ?
9. If '+' stands for '÷', '' stands for '=', 'x' stands for '+', '÷'stands for greater than, '=' stands for less than, '>' stands for multiplication and '<' stands for subtraction, then which of the following alternatives is correct?
10. In this question, some equations are solved on the basis of a certain system. On the same basis find out the correct answer from amongst the four alternatives for the unsolved equation. 3X4X5 = 435 4X3X2 = 342 2X3X4= ?