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
In a certain code language, if ACERBATE is coded as TABRECAE, what will be the code for BASEMENT?
What is the ode for “nation” in the given code language?
In a certain code language ‘SIMPLE’ is written as ‘LIRDLO’ and ‘POISED’ is written as ‘HOOCER’. How is ‘HOOGLY’ written in that code...
How many persons live between A and W?
What may be the possible code for the word‘Manufacturing’?
What is the code for “care story‟ in the given code language?
What is the code for ‘ Love ’ in the given code language?
- In a certain code language, ‘PROMOTION’ is coded as ‘32 36 30 26 30 40 18 30 28’ then, what is the code for ‘GORGEOUS’ in the same code languag...
Which of the following is coded as “vfr”?
In a parking of cars lined straight , A car is 8th from left end and 15th from the right end. How many cars are there in the row?
Relevant for Exams:
