Question

50 students enrolled them in 3 different software coaching classes..20 in 1st and 2nd types.30 members in 2nd and 3rd types.15 members in 1st and 3rd types.and 5 in 3rd type only..so how many of them enrolled in all the 3 types​

Answer 1

Answer:

he should give how many students are there in only first and second type

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Answer 2

Step-by-step explanation:

you should give how many students are there in only 1 st and 2 nd type .