At the beginning of a class period, half of the students in a class go to the library. Later in the period, half of the remaining students go to the computer lab. If there are 8 students remaining in the class, how many students were originally in the cla

Created: 6 years ago | Updated: 3 years ago

Updated: 3 years ago

Agrani bank Ltd Agrani bank Ltd - Officer (Cash) - 15.12.2017 গণিত সেট (Set)

ব্যাখ্যা

811

Best Ans:

Let the total number of students be x.

Number of students going to library = x/2

Number of students going to computer lab = 1/2 of the remaining x/2 = x/4

Therefore, x - (x/2 + x/4) = 8

or, x - 3x/4 = 8

or, x/4 = 8

So, x = 32.

6 years ago

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Md Azizur Rahman

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