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9.......ike 2222 2+2=4 2+2=4

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Q: How many such 4 digit numbers are there in which the sum of the first two digits is the same as the sum of the last two digits?
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Related questions

How many 4-digit numbers are there in which the first and last digits are the same?

There are 900 of them.


What is a four digit number with ascending digits whose first two numbers have a difference of two the third digit is even and the sum of the first three digits equal the last digit?

1348.


How many numbers dose a credit card have?

Commonly there are 16 numbers in a credit card. The first digit is the major industry identifier and the first 6 digits including the major industry identifier are the issuer identifier numbers and the last digit is the check digit.


How many 5-digit numbers can be constructed that both begin and end with the digit 3 and contain unlimited repetitions?

2


How many different three digit numbers can be formed from the digits 0 through 9 if the first digit must be odd and the last digit must be even?

5 x 10 x 5 = 250 different numbers, assuming there is no limit to each digits' use.


How many different three digit numbers can you form using the digits 1 2 3 5 6 7 and 9 without repetition?

There are seven possible digits for the first digit and 6 digits for the second (minus one digit for the digit used as the first digit) and 5 options for the last digit (minus one again for the second digit) and then you just multiply them all together to get a total possible combination of 210 numbers that are possible.


How many different positive four digit integers can be formed if the first digit must be even the last digit must be odd and all digits must be distinct?

There are 320 such numbers.


What do the number on new jersey drivers license mean?

The first letter is obviously your last name - the next 4 numbers after the letter is an encoding system for your last name- everyone with the same last name will have the same 4 encoded numbers or digits - The next 5 numbers are an encoding system for your first name (a 3 digit code) and then a (2 digit code) for your middle initial The Last 5 numbers are a weight class (1st digit)-no longer published on the DL, the month (2nd digit)-sometimes includes the first digit, and year (3rd &4th digits) of the persons birth and the last number (5th digit) is the color of the persons eyes


How is the last digit of a measurement different from the other digits?

the first number is usually in feet, the last number is in inches. so the last number = 1/12 of the first numbers value.


What does 'last two digits' mean?

In the number 65437, the last two digits are 37 - a digit is one single character in a string of numbers.


How do you estimate numbers?

Take the first few digits, if the next one is f or more, increase the last digit used by 1. Replace all subsequent digits with 0.


How many ten digit palindromes are there?

90000. With 10 digit palindromes, the last 5 digits are the same as the first 5 digits in reverse, eg 12345 54321. So it comes down to how many 5 digit numbers are there? They are the numbers "10000" to "99999", a total of 99999 - 10000 + 1 = 90000.