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If now the hour hand is at 4, then after 1196 hours, what number will the hour hand be at?
The remainder is 4 when a positive integer k is divided by 6.What is the remainder when 8k is divided by 6?
The units digit of a positive integer n is 8

Quantity A

The units digit of 3n

Quantity B

The units digit of $$n^{3}$$


The units digit of $$23^{n}$$ is 7,and if 8 ≤ n ≤ 13,what could be the value of n?

Indicate all such values.
If n is the units digit of $$7^{k}$$, where k is a positive integer, what is the greatest possible value of |n-7|?

Quantity A

The units digit of $$4^{125}$$

Quantity B

4


n is a positive integer, x is the units digit of $$7^{n}$$, y is the units digit of $$3^{n}$$

Quantity A

|x-y|

Quantity B

3


X equals to a positive integer to the power of four.

Which of the following could be the units digit of X?

Indicate all such values.
What is the remainder when $$7^{38}$$ is divided by 9?
m is a positive integer

Quantity A

The remainder when the sum of $$1999^{m}$$ and $$2001^{m}$$ divided by 7

Quantity B

4


Quantity A

The remainder when 12,345,678,910 is divided by 9

Quantity B

1


What is the remainder when $$3^{35}$$ is divided by 5?
What is the remainder when $$3^{283}$$ is divided by 5?

Quantity A

The remainder when $$7^{13}$$ is divided by 10

Quantity B

7


How many primes can be formed when someone selects two different numbers from 2,3,4,5 as the tens digit and units digit, respectively?
The cubic root of n is a prime,what could be the possible value of n?

Indicate all such items.
How many positive integers less than 20 are the product of two different prime integers?
When x≠1, the function p(x) equals the number of different prime divisors of x. What is the value of $$\frac{p(12)}{p(9)}$$?
If n is a positive integer less than 1000 and is divisible by 50, which of the following statement alone is sufficient to verify the number n?

Indicate all such statement.
Jim exercised last Monday at 6:00 in the evening and then exercised every third day after that. For example,after last Monday, he exercised the following Thursday and then the Sunday following that. How many days after last Monday will be the next Monday he exercises?

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