https://university.smartgyan.net/lessons/vedic-mathematics/2022-02-12T11:55:37+05:30https://university.smartgyan.net/lessons/2-number-system/2022-02-12T12:01:03+05:30https://university.smartgyan.net/lessons/3-hcf-and-lcm/2022-02-12T20:04:18+05:30https://university.smartgyan.net/lessons/4-percentage/2022-03-24T12:15:43+05:30https://university.smartgyan.net/lessons/5-profit-and-loss/2022-03-24T12:18:58+05:30https://university.smartgyan.net/lessons/6-simple-interest/2022-02-13T19:19:58+05:30https://university.smartgyan.net/lessons/7-compound-interest/2022-02-13T19:34:10+05:30https://university.smartgyan.net/lessons/8-ratio-and-proportion/2022-02-13T19:43:56+05:30https://university.smartgyan.net/lessons/9-time-work-and-pipe-cistern/2022-03-24T12:21:34+05:30https://university.smartgyan.net/lessons/10-time-distance-boat-stream-train-problems-races-and-games/2022-03-24T12:23:51+05:30https://university.smartgyan.net/lessons/11-partnership/2022-02-13T20:20:15+05:30https://university.smartgyan.net/lessons/12-average/2022-02-13T20:25:31+05:30https://university.smartgyan.net/lessons/13-age-problems/2022-02-13T20:50:52+05:30https://university.smartgyan.net/lessons/14-alligation-and-mixture/2022-02-13T20:57:13+05:30https://university.smartgyan.net/lessons/15-permutations-and-combinations/2022-03-28T22:57:34+05:30https://university.smartgyan.net/lessons/16-probability/2022-03-28T22:59:32+05:30https://university.smartgyan.net/lessons/17-clock/2022-02-14T13:25:33+05:30https://university.smartgyan.net/lessons/18-calendar/2022-02-14T17:43:17+05:30https://university.smartgyan.net/lessons/19-mensuration-area-and-perimeter/2022-02-14T17:50:36+05:30https://university.smartgyan.net/lessons/1-mensuration-2d-intro/2022-02-14T17:51:27+05:30https://university.smartgyan.net/lessons/20-mensuration-volume-and-surface-area/2022-02-14T18:05:29+05:30