![Observe the following pattern for obtaining the sums, then find the sum of numbers from 781 to 790? 1 + 2 + 3 + 4 + 5 + 6 + 7 + 8 + 9 + 10 = 55 11 + 12 + 13 + 14 + 15 + 16 + 17 + 18 + 19 + 20 = 155 21 + 22 + 23 + 24 + 25 + 26 + 27 + 28 + 29 + 30 = 255 ... Observe the following pattern for obtaining the sums, then find the sum of numbers from 781 to 790? 1 + 2 + 3 + 4 + 5 + 6 + 7 + 8 + 9 + 10 = 55 11 + 12 + 13 + 14 + 15 + 16 + 17 + 18 + 19 + 20 = 155 21 + 22 + 23 + 24 + 25 + 26 + 27 + 28 + 29 + 30 = 255 ...](https://toppr-doubts-media.s3.amazonaws.com/images/10841724/e6d94cc1-da6c-4c12-81be-f8c79ede5b03.jpg)
Observe the following pattern for obtaining the sums, then find the sum of numbers from 781 to 790? 1 + 2 + 3 + 4 + 5 + 6 + 7 + 8 + 9 + 10 = 55 11 + 12 + 13 + 14 + 15 + 16 + 17 + 18 + 19 + 20 = 155 21 + 22 + 23 + 24 + 25 + 26 + 27 + 28 + 29 + 30 = 255 ...
![Parts of puzzles on white background in colored colors. Set of puzzle 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 16, 18, 25, 36 pieces, Canvas Print | Barewalls Posters & Prints | bwc47062152 Parts of puzzles on white background in colored colors. Set of puzzle 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 16, 18, 25, 36 pieces, Canvas Print | Barewalls Posters & Prints | bwc47062152](https://images.barewalls.com/comp/canvas-print/bwc47062152/parts-of-puzzles-on-white-background-in-colored-colors-set-of-puzzle-2-3-4-5-6-8-9-10-12-13-16-18-25-36-pieces.jpg?ph=12.0&pw=12.0&print_border=&fit=&flip=&stretch_to_fit=true&print_colorfilter=no_filter&bits=&side_style=mirrored&units=in&frame_id=&frame_type=&show_banner=false&artist_attr_name=false&artist_attr_show=false&artist_attr_title=false&custom_x_pct=&custom_y_pct=&custom_w_pct=&custom_h_pct=&bleed_size=&is_custom=false&can_edit_frame=true&object_width=12.0&object_height=12.0&fit_select=&internal_sku=)