Q19. Answer the following questions:
(a) Write all the factors of 15.
(b) What are the multiples of 2 between 81 and 91?
(c) How many prime numbers are there between 1 to 50?
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hey dear
(a) 1 ,3, 5, 15
(b) 82 ,84,86,88,90
(c) 2, 3, 5 , 7, 11 ,13, 17, 19 , 23,29 ,31,37,41,43,47
hope helps you
(a) 1 ,3, 5, 15
(b) 82 ,84,86,88,90
(c) 2, 3, 5 , 7, 11 ,13, 17, 19 , 23,29 ,31,37,41,43,47
hope helps you
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