GradeVision

Elitmus Model Paper and solution

Posted by admin at November 6, 2019

 What are the last two digits of the number 7^45  07  23  49  43 Sol: The last two digits of 7^1 are 07.The last two digits of 7^2 are 49.The last two digits of 7^3 are 43.The last two digits of 7^4 are 01.The last two digits of powers of 7 go in a cycle – 07, 49, 43, […]

Continue