Advertisements
Advertisements
Question
Now you try and change these numbers into special numbers —
28
Advertisements
Solution
Given number is 28
- Its reverse is 82
Now 28 + 82
= 110
But 110 is not a special number so we proceed to the next step.
- The reverse of 110 is 011
Here 110 + 011
= 121
Now reverse of 121 is 121 again.
Thus it is a special number.
APPEARS IN
RELATED QUESTIONS
Which of the following statement is true?
If a number exactly divides the sum of two numbers, it must exactly divide the numbers separately.
Do you remember magic triangles? Come now, let s make some magic squares.
- Fill this square using all the numbers from 46 to 54.
Rule: The total of each line is 150.
Now, look at this —
Check if it is true or not.
The difference of three-digit number and the number obtained by putting the digits in reverse order is always divisible by 9 and ______.
A number is divisible by 11 if the differences between the sum of digits at its odd places and that of digits at the even places is either 0 or divisible by ______.
If a number a is divisible by b, then it must be divisible by each factor of b.
If AB × 4 = 192, then A + B = 7.
If AB + 7C = 102, where B ≠ 0, C ≠ 0, then A + B + C = 14.
1y3y6 is divisible by 11. Find the value of y.
If 123123A4 is divisible by 11, find the value of A.
