Question

M and N finish a work in 15 days .N alone can do 3/5 th work in 15 days .In how many days M can finish it alone
I'll mark as Brainlist ans​

Answer 1

Step-by-step explanation:

LET THE TOTAL WORK BE 1

TIME TAKEN BY M AND N TO FINISH A WORK= 15 DAYS

TIME TAKEN TO FINISH A WORK IN 1 DAY= 1/15

TIME TAKEN BY N= 3/5 OF 15

= 9 DAYS

WORK DONE IN 1 DAY= 1/9

TIME TAKEN BY M= 1/9 - 1/15

= 2/45

= 45/2 = 22.5 DAYS

I HOPE IT HELPED

Answer 2

Answer:

Kindly refers to given attachment..

Thanks..☺