Q1. FIND OUT IF 61919 IS DIVISIBLE BY 11.with method
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Answer:
The divisibility rule of 11 is a simple mental calculation that checks if the number 11 completely divides another number. The divisibility by 11 rule states that if the difference between the sum of the digits at the odd and even places equals 0 or divisible by 11, then the number is divisible by 11.What is the Divisibility Rule of 11?
The divisibility by 11 rule states that if the difference of the sum of the digits at odd places and even places of the number is 0 or divisible by 11, then the given number is also divisible by 11. For calculating the difference, we always subtract the smaller value from the larger value. The divisibility rule of 11 helps us to know whether a given number is completely divisible by 11, without leaving any remainder, or not. Divisibility rules are a set of rules or condition that checks if an integer is completely divisible by another number without any remainder and without actually performing the division. It is a known fact that 11, 22, 33, 44.... are multiples of 11, that occur in the multiplication table. So, we can clearly say that these numbers are divisible by 11. For example, 33/11 = 3 and the remainder is 0. It is easy to do the divisibility test of 11 for smaller numbers. But there are situations wherein we will have to check if a large number is divisible by 11 or not. In such cases, we use the divisibility rule of 11 to draw a conclusion.
Look at the image given below showing steps of divisibility by 11. But, note that it is not mandatory to start from the left-most digit to check the divisibility by 11, we can even start from the rightmost digit
Step-by-step explanation:
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