Advertisements
Advertisements
Question
If 1AB + CCA = 697 and there is no carry-over in addition, find the value of A + B + C.
Advertisements
Solution
1 A B
We have, + C C A
6 9 7
Since, there is no carry-over in addition,
1 + C = 6
⇒ C = 5
A + C = 9
⇒ A + 5 = 9
⇒ A = 4
And B + A = 7
⇒ B + 4 = 7
⇒ B = 3
Hence, A + B + C = 4 + 3 + 5 = 12
APPEARS IN
RELATED QUESTIONS
Find the values of the letters in the following and give reasons for the steps involved.
A B
+ 3 7
------
6 A
------
Find the value of the letters in the following question.
A A
+A A
XA Z
Find the value of the letters in the following question.
8 5
+ 4 A
B C 3
Find the value of the letters in the following question.
C B A
+ C B A
1 A 3 0
Find the value of the letters in the following question.
A B
× A B
6 A B
Find the value of the letters in the following question.
A A
× A
C A B
Find the value of the letters in the following question.
8 A B C
– A B C 5
D 4 8 8
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.
What will be 12345679 × 63?
Find the value of the letters in the following:
2 L M
+ L M 1
M 1 8
