Question

Two persons could fit new windows in a house in 3 days.
i) One of the person fell ill before the work started .How long would the job take now ?
ii) How many persons would be needed to fit the window in one day ?
15) Find the Height of a cylinder whose radius is 7 cm and the total surface area is
968cm 2 ?

Answer 1

Answer:

HERE IS UR ANSWER..

1] Given, 2 persons can fit new window in a house in 3 days.

(i) One of the person got ill.

Then no. of days required would be =

1

2×3

​

=6 days

2] To fit window in 1 day,

No. of person required would be =

1

2×3

​

=6 persons

15] 15 cm is the height of the cylinder if the radius is 7 cm and total surface area is 968 ...

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