Question

In an examination 459203 students sat for mathematics test which was for 100 marks 89712 students got 90 and above marks 95389 students got between 79 and 90 marks How many students got less than 80 marks

Answer 1

Answer:

274,679

Step-by-step explanation:

The total number of students sat for mathematics exam is 459203 .

The test was conducted for about 100 marks .

The students who secured 90 and more than that are 89712.

Then 95389 students secured between 79 and 90.

According to the problem,

=>Let, the Number of students who got less than 80 marks be "X".

now, Total number students = Number of students secured above 90 marks + Number of students who got between 79-90 marks + X

=> 459203 = 89712 +95379 + X

=> 459203 = 184,551 + X

=> X = 459,203 - 184,551

=> X = 274,679

:• The total number of students who got less than 80 marks is 274,679 .

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