| Manoj dogra asks : A & B can do a work in 12 days , B & C in 15 days , C & A in 20 days . If A, B & C work together , they will complete the work in |
| Alok singh asks : "Ants X and Y are both climbing up around a cylindrical Pipe. Both start at same point on the ground, X moves clockwise and Y anticlockwise. Before they reach at top X has made 5 complete twists and Y 3 twists. Not counting the bottom and the top, how many times do they cross each other?" plz explain it,dont just give answer "7". |
| Rajesh asks : If A+B can do a work in 12 days, B+C in 18 days, C+A in 36 days, then in how many days C alone can complete that work? |
| Sunil jain asks : 221 (22) 828, 321 ( ? ) 989 What will come in place of "?" to complete the series? |
| Poonam asks : i am in m.sc chemistry phamacetical .what R the scope of this course after complete of this course |