Question
Simon took 1 hr 30 min to paint a chair and 30 min less to paint a table. He completed painting the chair and the table at 10.10 a.m. At what time did he start painting?
2 m

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Simon took 1 hr 30 min to paint a chair and 30 min less to paint a table. He completed painting the chair and the table at 10.10 a.m. At what time did he start painting?