Gate Exam

A container originally contains 10 litres of pure spirit. From this container 1 litre of spirit is replaced with 1 litre of water. Subsequently, 1 litre of the mixture is again replaced with 1 litre of water and this process is repeated one more time. How much spirit is now left in the container?
option
(A) 7.58 litres
(B) 7.84 litres
(C) 7 litres
(D) 7.29 litres

Read Solution (Total 9)

Gate Other Question
The variable cost (V) of manufacturing a product varies according to the equation V= 4q, where q is the quantity produced. The fixed cost (F) of production of same product reduces with q according to the equation F = 100/q. How many units should be produced to minimize the total cost (V+F)?
option
(A) 5
(B) 4
(C) 7
(D) 6 Few school curricula include a unit on how to deal with bereavement and
grief, and yet all students at some point in their lives suffer from losses
through death and parting.
Based on the above passage which topic would not be included in a unit on
bereavement?
(A) how to write a letter of condolence
(B) what emotional stages are passed through in the healing process
(C) what the leading causes of death are
(D) how to give support to a grieving friend