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प्रश्न
If AB × 4 = 192, then A + B = 7.
पर्याय
True
False
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उत्तर
This statement is False.
Explanation:
AB
We have, × 4
192
Here, B × 4 is a two-digit number whose unit’s digit is 2.
Therefore, the value of B is either 3 or 8.
But B = 3 is not possible as A × 4 + 1 ≠ 19 for any value of A between 0 to 9
∴ B = 8 and then A = 4
Hence, A + B = 12
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संबंधित प्रश्न
Given an example of a number which is divisible by 2 but not by 4.
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.
Do you remember magic triangles? Come now, let s make some magic squares.
- Fill this square using all the numbers from 21 to 29.
Rule: The total of each side is 75.
Now, look at this —
Check if it is true or not.
Now you try and change these numbers into special numbers —
273
A four-digit number abcd is divisible by 11, if d + b = ______ or ______.
If a 3-digit number abc is divisible by 11, then ______ is either 0 or multiple of 11.
A five-digit number AABAA is divisible by 33. Write all the numbers of this form.
If 148101B095 is divisible by 33, find the value of B.
Fill in the blank space in the same way.
