Q1. A can do a piece of work in 21days B is 50 more efficient than A C is twice efficient than B A started the work alone and worked for some days and left the work then B and C joined together and completed the work in 2 days Then how many days does A worked alone

Q2. A can do a job in 18 days and B can do it in 30 days A and B working together will finish twice the amount of work in days

Q3. Normal 0 MicrosoftInternetExplorer4 Style Definitions table MsoNormalTable mso style name Table Normal mso tstyle rowband size 0 mso tstyle colband size 0 mso style noshow yes mso style parent mso padding alt 0in 5 4pt 0in 5 4pt mso para margin 0in mso para margin bottom 0001pt mso pagination widow orphan font size 10 0pt font family Times New Roman 12 Men or 18 women can reap a field in 14 days The number of days that 8 men and 16 women will take to reap it Style Definitions table MsoNormalTable mso style name Table Normal mso tstyle rowband size 0 mso tstyle colband size 0 mso style noshow yes mso style parent mso padding alt 0in 5 4pt 0in 5 4pt mso para margin 0in mso para margin bottom 0001pt mso pagination widow orphan font size 10 0pt font family Times New Roman Style Definitions table MsoNormalTable mso style name Table Normal mso tstyle rowband size 0 mso tstyle colband size 0 mso style noshow yes mso style parent mso padding alt 0in 5 4pt 0in 5 4pt mso para margin 0in mso para margin bottom 0001pt mso pagination widow orphan font size 10 0pt font family Times New Roman Style Definitions table MsoNormalTable mso style name Table Normal mso tstyle rowband size 0 mso tstyle colband size 0 mso style noshow yes mso style parent mso padding alt 0in 5 4pt 0in 5 4pt mso para margin 0in mso para margin bottom 0001pt mso pagination widow orphan font size 10 0pt font family Times New Roman

Q4. 5 men can do a piece of work in 2hours while 7 woman can do in 3 hours or 9 boys do in 4hrs How long would take by 1 man 1woman 1boy together to do the work

Q5. If 6 BSF or 10 CRPF companies can demolish a terrorist outfit in Kashmir in 2 days find how long will 4 BSF and 9 CRPF companies take to do the same