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(i) A person went to a restaurant for di...

(i) 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 was the person can select either an Indian or a Chinese food?
(ii) There are 3 typesof toy car and 2 types of toy train available in a shop. Find the number of ways a baby can buy a toy car and a toy train?
(iii) How many of two-digit numbers can be formed using 1,2,3,4,5 without repetiton of digits?
(iv) There persons enter in to a conference hall in which there are 10 seats, In how many ways they can take their place?
(v) In how many ways 5 persons can be seated in a row?

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