Question 5: Which of the following statements is incorrect: Numbers of the form \(\overline{abcabc} \text { are divisible …

# Set

## Question 4: (text { Find the digits } a text { and } b text { such that } ab=4 text { and } overline{87 ab} text { is divisible by } 9)

Question 4: \(\text { Find the digits } a \text { and } b \text { such that } ab=4 \text { and } \overline{87 ab} \text { …

## Question 2: (text { Find the digit a, knowing that: } 20 a 20 a 20 a text { divisible by } 7)

Question 2: \(\text { Find the digit a, knowing that: } 20 a 20 a 20 a \text { divisible by } 7\) …

## Question 1: Find the natural numbers that leave a remainder of 1 when divided by 4, and a remainder of 3 when divided by 25.

Question 1: Find the natural numbers that leave a remainder of 1 when divided by 4, and a remainder of 3 when divided by …

## Question 1: (text { Give } mathrm{n}=overline{7 a 5}+overline{8 b 4} text {. Know a }-mathrm{b}=6 text { and } mathrm{n} text { divisible by } 9 text {. Find a and })

Question 1: \(\text { Give } \mathrm{n}=\overline{7 a 5}+\overline{8 b 4} \text {. Know a }-\mathrm{b}=6 \text { and } …

## Question 50: What is the number of elements of the set of even natural numbers greater than 13 and less than 3000?

Question 50: What is the number of elements of the set of even natural numbers greater than 13 and less than 3000? …

## Question 49: What is the sum of the odd natural numbers from 1 to 999?

Question 49: What is the sum of the odd natural numbers from 1 to 999? …

## Question 48: The number of elements of the set of even natural numbers greater than 100 and less than 500 is:

Question 48: The number of elements of the set of even natural numbers greater than 100 and less than 500 is: …

## Question 47: How many four-digit natural numbers are there?

Question 47: How many four-digit natural numbers are there? …

## Question 46: How many odd numbers are there less than 1997?

Question 46: How many odd numbers are there less than 1997? …