Question : The units digit of the expression $25^{6251} + 36^{528} + 73^{54}$ is:
Option 1: 6
Option 2: 5
Option 3: 4
Option 4: 0

Question

Question : The units digit of the expression $25^{6251} + 36^{528} + 73^{54}$ is:

Option 1: 6

Option 2: 5

Option 3: 4

Option 4: 0

Team Careers360 · Accepted Answer

Correct Answer: 0

Solution : Given: $25^{6251} + 36^{528} + 73^{54}$
Units digit of $25^{6251} = 5$
Units digit of $36^{528} = 6$
Units digit of $73^{54} = 3^{4 imes13 + 2} = 9$
The sum of the unit digits = 5 + 6 + 9 = 20
So, 0 is the unit digit of the above expression.
Hence, the correct answer is 0.

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Question : The units digit of the expression 256251+36528+7354 is:Option 1: 6Option 2: 5Option 3: 4Option 4: 0

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Question : The units digit of the expression $25^{6251} + 36^{528} + 73^{54}$ is:
Option 1: 6
Option 2: 5
Option 3: 4
Option 4: 0