हाउ मेनी प्राइम नंबर r3 बिटवीन 1 एंड 100
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Answer:
there are 25 prime numbers
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50 prime numbers
Explanation:
1,3,5.....99
a= 1
d= 3-1=> 2
an= 99
by applying an= a+ (n-1)d
99= 1+(n-1)2
99-1= (n-1) 2
98/2 n-1
49= n-1
n= 49+1
n= 50
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