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Tamil Nadu Board of Secondary EducationHSC Science Class 11

A person went to a restaurant for dinner. In the menu card, the person saw 10 Indian and 7 Chinese food items. In how many ways the person can select either an Indian or a Chinese food?

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Question

A person went to a restaurant for dinner. In the menu card, the person saw 10 Indian and 7 Chinese food items. In how many ways the person can select either an Indian or a Chinese food?

Sum
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Solution

Selecting an Indian food item from the given 10 can be done in 10 ways.

Selecting a Chinese food item from the given 7 can be done in 7 ways.

∴ Selecting an Indian or a Chinese food can be done in 10 + 7 = 17 ways.

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Chapter 4: Combinatorics and Mathematical Induction - Exercise 4.1 [Page 165]

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Samacheer Kalvi Mathematics - Volume 1 and 2 [English] Class 11 TN Board
Chapter 4 Combinatorics and Mathematical Induction
Exercise 4.1 | Q 1. (i) | Page 165

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