Advertisements
Advertisements
प्रश्न
If 
then A = ______ and B = ______.
उत्तर
If then A = 2 and B = 4.
Explanation:
A B
We have, × B
9 6
Here B × B = 6, therefore B can take values either 4 or 6.
For B = 4, A × B + 1 = 9
⇒ A × 4 + 1 = 9
⇒ A = 2
Hence, A = 2, B = 4
APPEARS IN
संबंधित प्रश्न
Without performing actual addition and division write the quotient when the sum of 69 and 96 is divided by
(i) 11
(ii) 15
Which of the following statement is true?
If a number is divisible by 8, it must be divisible by 4.
Which of the following statement is true?
A number is divisible by 18, if it is divisible by both 3 and 6.
Which of the following statement is true?
If a number is divisible by both 9 and 10, it must be divisible by 90.
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 you try and change these numbers into special numbers —
28
The sum of a two-digit number and the number obtained by reversing the digits is always divisible by ______.
The difference of a two-digit number and the number obtained by reversing its digits is always divisible by ______.
If B × B = AB, then either A = 2, B = 5 or A = ______, B = ______.
If 123123A4 is divisible by 11, find the value of A.
