Question
The ratio of number of girls to number of boys is 3: 2
in a class of 70 students. The average marks scored by the boys in Physics is 72 and the average marks scored by the whole class in Physics is 80. What is the average mark in Physics scored by girls? type-sscSolution
Total student =70 Ratio of the girls and boys=3:2 Girls =3/5) ×70=42 Boys =28. Average marks in physics 28 boys =72 Total marks in physics of 28 boys =72×28=2016 average marks scored by the whole class in Physics = 80 Total marks scored by whole class =80×70=5600 Total marks scored by girls =5600-2016=3584 Average marks in physics of 42 girls=3584/42=85.3
HUMBLE
In each of the following sentences, choose the word opposite in meaning to the bold word to fill in the blank.
The instructions were ambiguou...
Splendid and expensive-looking
Select the option that can be used as a one-word substitute for the given group of words.
One who is not concerned with right or wrong
The cops will _________ all the illegal material
- Select the most appropriate synonym of the bracketed word in the following sentence to fill in the blank.
The speech was so ________ (melancholy) t... Belonging to or occurring in the present
The customary code of polite behaviour in society
Select the INCORRECTLY spelt word.
She has a pessimistic view of the world.
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