chandrakanta77394191 Asked: December 2022 A can do a piece of work in 15 days while B alone can do it in 20 days. They worked together for
chandrakanta77394191 Asked: December 2022 which of the following relation will be true if two numbers are the same
chandrakanta77394191 Asked: December 2022 A. B and C can do a piece of work in 10 days, 15 days and 20 daysrespectively. They began to work together
chandrakanta77394191 Asked: December 2022 The average salary of the teachers of a school is Rs. 3000. When salary oftwo more teachers is included, the average salary reduces by