For the following questions answer them individually
In domestic water sewage, which of the following things is not a part of ‘Dissolved materials’?
The ratio of number of girls to boys in a school of 4500 students is $$49 : 51$$. How many more girls should be admitted to make the ratio $$1 : 1$$?
All green plants and bacteria which can synthesize their food by photosynthesis come under the category of
By selling a CPU for Rs.7935, a man makes a profit of 15%. At what price should he sell it to make a profit of 25%? (in Rs.)
In this question, relationship between different elements is shown in the statement. This statement is followed by three conclusions. Assume the given statement to be true and choose the answer from the given options:
Statement:
$$W = O > R \geq I > E < D$$
Conclusions:
i) $$E < R$$
ii) $$I < O$$
iii) $$W > I$$
