What 4 digit multiplied by 4 gives it reverse?
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What 4 digit multiplied by 4 gives it reverse?
The Number is 2178. 2178 * 4 = 8712. 8712 is the reverse of 2178. Since it’s 4 Digit Number and since after multiplication also it has to be a 4 Digit Number, it’s easy to see that the Number has to be less than 2500 since 2500 * 4 = 10000.
Which 4 digit number gives a total of 9?
Furthermore, 9999 is the only number having a digits sum of 36, and it’s also a multiple of 11. Proceed to count all the permutations of all the numbers in the interval [1000,10000) having a digits sum of 9. This is the result.
What is the least number of 4 digits which is exactly divisible by 9?
1008
Hence, the smallest 4-digit number divisible by 9 is 1008.
What is 4 digit number multiplied by 4 gives same number?
A 4-digit number multiplied by 4 gives same number in reverse order. What is the four digit number and how do I prove it? Discover tools for young adults to promote overall well-being. Sign up to receive tips and resources on mental health and well-being for young adults.
What is the product of 4-digit numbers * 9?
The 4 digit number is 1089 only. We can state clearly that a must be 1 (if a>1 then the product of the 4 digit number * 9 will be a 5 digit number). The 4 digit number is 1089 only. First thing that comes to mind is that 9 times the number is still a 4-digit numbers, so the number has to be less than 1111.
What is the 4 digit number that is less than 1111?
The 4 digit number is 1089 only. First thing that comes to mind is that 9 times the number is still a 4-digit numbers, so the number has to be less than 1111. The first digit is 1, so the last one has to be 9.
What is a 4 digit number less than 2500?
Since it’s 4 Digit Number and since after multiplication also it has to be a 4 Digit Number, it’s easy to see that the Number has to be less than 2500 since 2500 * 4 = 10000. The Number also can’t be starting with 1, as any Number when multiplied by 4, can’t result into an odd number.