Advertisements
Advertisements
प्रश्न
Find the value of the letters in the following question.
A B
× 6
C 6 8
Advertisements
उत्तर
6 × B is a number with unit digit 8.
Therefore, B = 3 or 8
For B = 3 equation A × 6 + 1 = C6 is not satisfied.
For B = 8 equation A × 6 + 1 = C6 is satisfied.
Hence, A = 7 and B = 8.
APPEARS IN
संबंधित प्रश्न
Find the value of the letter in the following and give reasons for the steps involved.
1 A
x A
------
9 A
------
Find the values of the letters in the following and give reasons for the steps involved.
A B
x 6
-------
B B B
-------
| A | |
| + | A |
| + | A |
| B | A |
Find the value of the letters in the following question.
1 B A
+ A B A
8 B 2
Find the value of the letters in the following question.
A 0 1 B
+ 1 0 A B
B 1 0 8
Find the value of the letters in the following question.
A B
– B 7
4 5
212 × 5 is a multiple of 3 and 11. Find the value of x.
A three-digit number 2 a 3 is added to the number 326 to give a three-digit number 5b9 which is divisible by 9. Find the value of b – a.
If from a two-digit number, we subtract the number formed by reversing its digits then the result so obtained is a perfect cube. How many such numbers are possible? Write all of them.
Work out the following multiplication.
12345679
× 9
Use the result to answer the following question.
By what number should 12345679 be multiplied to get 888888888?
