Math, asked by mudrit3, 1 year ago

two-fifth of boys and three-fourth of girls in a school appear for an exam. number of students appearing for an exams 350 and out of these three-fifth are girls what is the strength of the school?

Answers

Answered by dhirajuzumakipedgjd
1

Dhirajuzumakipedgjd Helping Hand Students appearing in exam Total girls=3/5*350=210 Total boys=350-210=140 Let total boys be x then, 2/5*x=140 X=140*5/2=350 Let total girls be y then,  3/4*y=210 Y=210*4/3=280 Total strength=210+280=490  


mudrit3: no you know the answer is 630
mudrit3: ¿?????
dhirajuzumakipedgjd: Well then your books answer is wrong i guess... With the information you've given, im preety sure the answer is 490
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