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out of 100 students, 45 do not know typing, 60 know shorthand. 25 know both 6 do not know anything then find out haw many know both?

out of 100 students, 45 do not know typing, 60 know shorthand. 25 know both 6 do not know anything then find out haw many know both?

Grade:11

1 Answers

AKASH GOYAL AskiitiansExpert-IITD
419 Points
10 years ago

Dear Student

Please type the question in large font. it is not clearly visible.

these type of questions are done using ven diagram

you are asking how many know both but in the question itself you have given 25 know both.

So answer will be 25

 

All the best.                                                           

AKASH GOYAL

AskiitiansExpert-IITD

 

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