PDF chapter test TRY NOW
1. For what values of a natural number \(n\), \(4^n\) can end with the digit \(6\)?
2. If \(m\), \(n\) are natural numbers, for what values of \(m\), does \(2^n \times 5^m\) end in \(5\)?
3. Find the HCF of \(252525\) and \(363636\).
4. If \(13824 = 2^a \times 3^b\), then find \(a\) and \(b\).
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