. In a survey it is found that 21 people like product A, 26 people like product B and 29 like product C. If 14 people like product A and B, 15 people like product B and C, 12 people like product C and A, and 8 people like all the three products. Find (i) How many people are surveyed in all? (ii) How many like product C only?

Naman Gupta

May 21, 2017, 11:06 a.m.

Answers!

Davneet Singh

May 22, 2017, 9:07 p.m.

Hi Naman,

Please check Misc 16 of Chapter 1 Class 11 Sets here https://www.teachoo.com/2100/574/Misc-16---21-people-liked-product-A--26-liked-B--29-liked-C/category/Miscellaneous/

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