CUET Preparation Today
How many 2-digit natural numbers are divisible by 4? |
20 21 22 23 |
22 |
The series as follows 12 , 16 , ........... , 96 a = 12 , d = 4 , Last term = 96 Last term = a + ( n - 1 )d 96 = 12 + ( n - 1 )4 84 = ( n - 1 )4 21 = ( n - 1 ) n = 22
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