Question

gujan,mala,and amina together can ,embroider a sari in 4 days mala can do it in 10 days and amina in 8 days if gujan works alone how long she takes to embrioder same sari? ​

Answer 1

Given :---

• Gunjan + mala + amina can embroider a sari = in 4 days.
• Mala alone can embroider a sari = in 10 days.
• Amina alone can embroider a sari = in 8 days .

To Find :-

• In how many days gunjan can embroider a sari alone ?

Solution :--

LCM of 4, 10 and 8 = 40 units = Let Total amount Of work .

→ Done by all Three in one day = 40/4 = 10 units .

→ Done by Mala alone in one day = 40/10 = 4 units .

→ Done by Amina alone in one day = 40/8 = 5 units .

So, we can say that,

→ Done by Gunjan alone in one day = 10 - (4+5) = 1 unit .

Hence, Time to Do whole work alone by Gunjan is = 40/1 = 40 days .

So, Gunjan alone will embrioder same sari in 40 days.