a lady wants to select one cotton saree and one polyester saree from a textile shop .lf there are 10 cotton varieties and 12 polyester varieties, in how many ways can she choose sarees
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Answer: 120
Step-by-step explanation:
The lady can select one cotton saree out of 10 cotton varieties in 10 ways since
any of 10 varieties can be selected. Corresponding to each selection of a cotton saree, she can
choose a polyester saree in 12 ways. Hence the two sarees (one cotton and one polyester), by
multiplication principle of counting, can be selected in 10 x 12= 120 ways.
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