Advertisements
Advertisements
प्रश्न
If B × B = AB, then either A = 2, B = 5 or A = ______, B = ______.
Advertisements
उत्तर
If B × B = AB, then either A = 2, B = 5 or A = 3, B = 6.
Explanation:
B
Given, × B
A B
Here, B × B is a two-digit number, whose unit digit is B, therefore the value of B is either 5 or 6.
If B = 5, then A = 2 and If B = 6, then A = 3.
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
If \[\overline{{3x2}}\] is a multiple of 11, where x is a digit, what is the value of x?
Which of the following statement is true?
The sum of two consecutive odd numbers is always divisible 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.
Look at the patterns of numbers in hexagons.
Each side has 2 circles and 1 box.
- Look at the number 65 in the box. Which are the circles next to it?
- Can you see how the rule works?
If 
then A = ______ and B = ______.
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 3-digit number abc is divisible by 11, then ______ is either 0 or multiple of 11.
If the digit 1 is placed after a 2-digit number whose tens is t and ones digit is u, the new number is ______.
