Question
Sara has 150 kg of oranges (rotten and fresh). She sold
50% of the total oranges such that out of the remaining oranges, 30% are rotten. Find the percentage of fresh oranges left out of the initial quantity of oranges with her.Solution
ATQ, Quantity of oranges sold by Sara = 150×0.5 = 75 kg Quantity of oranges left = 150−75 = 75 kg Remaining quantity of rotten oranges = 75×0.3 = 22.5 kg So, quantity of fresh oranges left = 75−22.5 = 52.5 kg Required percentage = ( 52.5/150)×100 = 35%
Which of the following processes is used for the production of Biodiesel?Â
Which one of the following is not a greenhouse gas?Â
When a spoon is to be electroplated with nickel the spoon is
Which gas is used for converting vegetable oils into saturated fats?
Spirit in contact with body gives cool sensation because it is:
The chemical bahaviour of an atom depends uponÂ
The mass number of a nucleus is
The most reactive among the halogens isÂ
The function of skimming tank in sewage treatment is to removeÂ
Which mineral is the ore Of aluminium?