Counting 1 to 100 123 numbers one two three

Bus Pass shall be issued for 1-2-3-4-5-6 (barring Senior Citizens who opt 100- b) All Route Passes, 100- c) All Route , 150

We have to find Pythagorean triplets and find total ways Pythagorean triplet can be selected from three cards

123 100 Make generalised formula for this 1+2+3+ till +99+100=

123 100 12 equals 1 stud; 22 equals 4 studs; 32 equals 9 studs 100 = 102 A square rug