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 ?

(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?

In how many ways 5 persons can be seated in a row ?

In how many ways five persons can stand in a row ?

In how many ways five persons can stand in a row ?

In how many ways five persons can stand in a row ?

In how many ways 2 persons can be selected from 4 persons?

In how many ways 2 persons can be selected from 4 persons?

In how many ways 10 persons can be divided into 5 pairs?