CBSE Class 8 Answered
"The sum of a two digit number and the number obtained by reversing its digits is divisible by 11." Verify this property for the numbers 32 and 89.
Asked by Topperlearning User | 04 Jun, 2014, 01:23: PM
Expert Answer
Consider the number 32.
Number after reversing the digits is 23.
Sum = 32 + 23 = 55 = 11 x 5
Clearly the sum is divisible by 11.
Again, consider the number 89.
Number after reversing the digits is 98.
Sum = 89 + 98 = 187 = 11 x 17
Clearly the sum is divisible by 11.
Number after reversing the digits is 23.
Sum = 32 + 23 = 55 = 11 x 5
Clearly the sum is divisible by 11.
Again, consider the number 89.
Number after reversing the digits is 98.
Sum = 89 + 98 = 187 = 11 x 17
Clearly the sum is divisible by 11.
Answered by | 04 Jun, 2014, 03:23: PM
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