What portion of a ‘saree’ can Rehana paint in 1 hour if it requires 5 hours to paint the whole saree?

If a pipe can fill a tank in x hours: then part filled in 1 hour.

In village madhubani 8 women and 12 girls can paint a large mural in 10 hours . 6 women and 8 girl can paint it in 14 hours .The numbers of hours taken by 7 women and 14 girl to paint the mural is :

If 12 pumps can empty a reservoir in 20 hours, then time required by 45 such pumps to empty the same reservoir is ______ hours.

Anuradha can do a piece of work in 6 hours. What part of the work can she do in 1 hour, in 5 hours, in 6 hours?

The lower 24 m portion of a 50 m tall tower is painted green and the remaining portion red. What is the distance of a point on the ground from the base of the tower where the two different portions of the tower subtend equal angles?

The lower 24 m portion of a 50m tall tower is painted green and the remaining portion red. What is the distance of a point on the ground from the base of the tower where the two different portions of the tower subtend equal angles?

The front compound wall of a house is decorated by wooden spheres of diameter 21 cm, placed on small supports as shown in Fig 13.32. Eight such spheres are used for this purpose, and are to be painted silver. Each support is a cylinder of radius 5cm and height 7cm and is painted black.Find the cost of paint required if silver paint cost 25 paisa per cm^2 and black paint cost 5 paisa per cm^2