Find the sum 2 digital natural number which are divisible by 5
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Step-by-step explanation:
We will have to find the sum of the numbers between 10 and 99 which is divisible by 5. => 945. Hence, Sum of the numbers between 10 and 99 which is divisible by 5 is 945
Answered by
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Given : 2 digital natural number divisible by 5
To Find : the sum
Solution:
2 digits natural numbers
10 , 11 , 12 ___________________98 , 99
Divisible by 5
10 , 15 , 20 __________________90 , 95
95 = 10 + (n - 1) 5
=> n = 18
Sum = (18/2)(10 + 95)
= 9 * 105
= 945
sum of 2 digital natural number which are divisible by 5 is 945
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