展开全部

题目列表

题目内容
If the ones digit of $$7^{n}$$ is 9, then the value of n could be?

Indicate all such numbers.
n, k and r are all positive integers

If $$n^{k}$$=10r+3, then k could be?

Indicate all that are possible.
n, k and r are all positive integers

If $$n^{k}$$=10r+3, then n could be?

Indicate all that are possible.
What is the units digit of $$2^{2222}$$?
What is the units digit of ($$4^{32}$$ - $$3^{32}$$)?
What is the units digit of $$2^{2012}$$+$$3^{2012}$$+$$5^{2012}$$+$$7^{2012}$$?

Quantity A

The remainder when $$3^{64}$$ is divided by 8

Quantity B

1


What is the remainder when the square of 345,606 is divided by 20?
When a positive integer (less than 100) is divided by 5 and 6, the remainder is 3 and 2, respectively.

Quantity A

The greatest possible number of such integers

Quantity B

4


When the product of four prime numbers a, b, c and d is divided by 77, the result is a multiple of 5. When the product of these four prime numbers is divided by 7, the result could be?

Indicate all such numbers.
X is the positive difference between $$3^{100}$$and $$3^{97}$$. What is the greatest prime divisor of X?

Quantity A

The number of tenth equals to 1.4

Quantity B

The number of hundredth equals to 1.3


In a survey of drivers, 36% of male drivers hate driving at night, while 48% of female drivers hate driving at night. As a whole, 45% of all drivers hate driving at night. What is the ratio of male drivers to all the drivers in the survey?

Give your answer as a fraction.
A company has a certain number of trucks and limousines. If 60% of limousines have special autopilot system in place, while 24% of all cars are limousines equipped with such special autopilot system, then what is the ratio of the number of limousines to the number of all cars?

Give your answer as a fraction
If someone puts away $92,000 in a bank with an annual interest rate of r%, and earns $920 in the first month, then what is the value of r? Give your answer as percent.

_____%
What's the number of integers between 1 and 2,000, inclusive, that can be transformed into not only a perfect square number and also a perfect cubic number?
P, Q, and T are three distinct points in a plane.

Quantity A

The number of lines in the plane that pass through points P, Q and T

Quantity B

1



For the convex polygon above, which of the following intervals contains all possible value of x?
If $$a_{1}=2$$, $$a_{2}=3$$, $$a_{n}=a_{n-1}*a_{n-2}$$ (n≥3),then $$a_{8}$$ is?
Set A={1, 2, 3}
Set B={1, 2, 3, 4}

Quantity A

The total number of different four-digit positive integers that can be formed by elements from Set A

Quantity B

The total number of different three-digit positive integers that can be formed by elements from Set B


共收录:

25000 +道题目

137本备考书籍

最新提问