10th maths tamil medium chapter 6 exercise 6.1 full 10th maths exercise 6.1 sum 1, 2, 3, 4, 5, 6, 7, 8, 9 and 10 10th maths exercise 6.1 1st, 2nd , 3rd, 4th, 5th, 6th, 7th, 8th, 9th and 10th sum