RRB NTPC · Combined Working Days

Exercise and reference answers

Matching pairs

1. Left

   Two masons taking 6 and 3 days

   Right

   2 days

2. Left

   Two painters taking 18 and 9 days

   Right

   6 days

3. Left

   Three workers taking 30, 20, 60 d

   Right

   10 days

4. Left

   Two tailors taking 20 and 30 days

   Right

   12 days

Instructions

Match individual workers to their combined time