Math, asked by raunaksrivastava13ma, 5 months ago

in a class 30% students got more than 60%marks and 84 students got60%marks .if the number of student who got less than 60% marks is one-fourth of the number of students who got 60% marks then find the total number of students in the class

Answers

Answered by Anonymous
4

Step-by-step explanation:

60% students got A grade. 40% students got other than A. 60% is equal to 24 students.( given). 1% ...

8 votes

Friends….! If the number of students who got an A is 24, which is 60 percent, how

Answered by AnanyaSrivastava03
23

Answer:

84+21+ 45= 150

Step-by-step explanation:

Let , the total number of students in the class be x

Given,

The no. of students who got 60% marks = 84 The no. of students who got less than 60% is 1/4 of 84 =21

Percentage of students who got more than 60% =30%

If the percentage of students who got more than 60% is 30% , then the rest of the students will be 70% of the total number of students in the class.

Therefore,

84+21 = 70% of x

105 = 70/100 of x

105×100/70 = x

10500÷70 =x

150 =x

We can justify it ,

If the total number of students in the class is 150, then the no. of students who got more than 60% = 30÷100×150

= 4500÷100

= 45

If we add all the no.s of students

= 84+21+45

=105+45

=150

Hence , the total number of students in the class is 150 .

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