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The remainder on dividing given integers...

The remainder on dividing given integers a and b by 8 are respectively 5 and 7 .what is the remainder when ab is divided by 8?

A

3

B

2

C

1

D

4

Text Solution

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The correct Answer is:
A
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GAGAN PRATAP -NUMBER SYSTEM-Multiple Choice Questions
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  13. What is the remainder when we divide 5^70 +7^70 by 74? जब हम 5^70 +7^7...

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  14. The expression 5^(2n) - 2^(3n) has a factor

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  18. The remainder when 3^21 is divided by 5 is

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  20. If (67^67 + 67) is divided by 68, the re- mainder is:

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