Asha and Samuel have bookshelves of the same size..Asha's shelf is 5/6 full of books and samuel's shelf is 2/5 full.Whose bbookshelf is more full?By what fractin?

A factory makes tennis rackets and cricket bats. A tennis racket takes 1.5 hours of machine time and 3 hours of craftman’s time in its making while a cricket bat takes 3 hour of machine time and 1 hour of craftman’s time. In a day, the factory has the availability of not more than 42 hours of machine time and 24 hours of craftsman’s time. What number of rackets and bats must be made if the factory is to work at full capacity?

What should be the minimum size of a plane mirror to produce full image of a persono having height h?

Nazima is fly fishing in a stream. The tip of her fishing rod is 1.8 m above the surface of the water and the fly at the end of the string rests on the water 3.6 m away and 2.4 m from a point directly under the tip of the rod. Assuming that her string (from the tip of her rod to the fly) is taut, how much string does she have out ? If she pulls in the string at the rate of 5 cm per second, what will the horizontal distance of the fly from her after 12 seconds ? .

Two insulated identically sized charged copper spheres A and B have their centers separated by a distance 50 cm. Charges on each sphere is q=6.5× 10^(-7) C. A third sphere of the same size but uncharged is brought in contact with the first, then brought in contact with the second, and finally removed from both. What is the new force of repulsion between A and B?

The rain water from a roof 22 m xx 20 m drains into a cylindrical vessel having diameter of base 2 m and height 3.5 m. If the vessel is just full, find the rainfall in cm

A conical vessel whose internal radius is 5 cm and height of 24 cm is full of water. The water is emptied into a cylindrical vessel with internal radius 10 cm. Find the height to which the liquid rises.

A galvanometer with a coil of resistance 12.0 ohm shows full scale deflectio for a current of 2.5 mA. How will you convert the meter int an ammeter of range 0 to 7.5 A

A galvanometer with a coil of resistance 12.0 ohm shows full scale deflectio for a current of 2.5 mA. How will you convert the meter into a voltmeter of range 0 to 10.0V?