Question

please answer my question

Answer 1

HELLO FRIEND HERE IS YOUR REQUIRED ANSWER,,,,,,,,



Consult and refer the following attachments for a detailed explanation an step by step solution for all THREE QUESTIONS................



OPTIONS ARE (AFTER SOLVING THEM IN ATTACHMENTS)



$\boxed{\huge{\textbf{Q.39) \: OPTION \: A) \: 1:20 am}}}$



$\boxed{\huge{\textbf{Q.40) \: OPTION \: A) \: 5 km/hr}}}$



$\boxed{\huge{\textbf{Q.41) \: Option \: D) \: 110 workers}}}$



HOW THIS HELPS YOU AND SOLVES ALL YOUR DOUBTS FOR ALL THREE QUESTIONS RESPECTIVELY!!!!!!!!!