Outstanding wages
1. The sum of the digits a two digit number is 9 . Also , nine times this number is twice the number obtained by reversing the order of the digits . Find the number. ( by Elemination method )
ONE FIRM IS DOING A JOB WORK OF KNITTING OF GARMENTS FOR PRINCIPAL FIRM IN SAME PREMISES, IS THERE IS ANY NEED OF CHALLAN ?? WHAT ABOUT ITC 04 FORM FOR PRINCIPAL FIRM.
If A and B are symmetric matrices of the same order, then show that AB is symmetric if and only if AB = BA.