Question

There are 20 students in a class 6-sevenths of them are passed in exams. How many students are not passed in exams?​

Answer 1

Step-by-step explanation:

We have the following:

(i) 47100=(47100×100)% = 47%

(ii) 920=(920×100)% =(9×5)%= 45%

(iii) 38=(38×100)% =(3×252)%=(752)%=3712%

(iv) 8125=(8125×100)%=(8×45)%=(325)%=6.4%

(v) 19500=(19500×100)%=(195)%=3.8%

(vi) 415=(415×100)%=(4×203)%=(803)%=2623%

(vii) 23=(23×100)%=(2003)%=6623%

(viii) 135=85=(85×100)%=(8×20)%=160%

Answer 2

Step-by-step explanation:

12-13

hope it will help you