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15*7-(45-35(23+45))

Working together, Sandra and Mayuri can complete a task in 45 days. However, Mayuri works alone and goes away when one third of the work is completed and then Sandra finishes the remaining work herself. As a result, both are able to complete the work in 104 days. If Mayurin acted faster than that. So in how many days Sandra will be able to complete the work alone.

Working together, Sandra and Mayuri can complete a task in 45 days. However, Mayuri works alone and goes away when one third of the work is completed and then Sandra finishes the remaining work herself. As a result, both are able to complete the work in 104 days. If Mayurin acted faster than that. So in how many days Sandra will be able to complete the work alone.

find the value of x+y+z, if x+y+xy =3, y+z+yz =8 and x+z+xz = 15 .

A sum of money is invested at 20% compound interest (compounded annualy). It would fetch Rs.723 more if interest is compound half-yearly. The sum is

7 workers work in a printing press.each gets rs.450 per day .the 8th worker demands rs.500 per day.if this worker is hired then all other workers must be paid rs.500.the marginal resource labour cost of 8th worker is?

how to change my leanguage in this app.

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What will be the remainder if 16!+1 is divided by 17

PQRS is a cyclic quadrilateral in which PQ is 14.4,QR is 12.8 ,SR is 9.6.If PR bisects QS,what is the lengh of PS?