Advertisements
Advertisements
प्रश्न
Work out the following multiplication.
12345679
× 9
Use the result to answer the following question.
What will be 12345679 × 63?
Advertisements
उत्तर
12345679
We have, × 9
111111111
Here, we observe that in the product all the digits are same i.e. 1, which is actually the unit digit of the product 9 × 9. Also, total of digits in the multiplier is 90°.
We have to compute the value of 12345679 × 63.
Here, sum of the digits of the multiplier is 9 and unit’s digit of the product is 9 and unit’s digit of the product of 3 × 9 is 7.
∴ 12345679 × 63 = 777777777
APPEARS IN
संबंधित प्रश्न
Find the values of the letters in the following and give reasons for the steps involved.
4 A
+ 9 8
------
C B 3
------
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
+ 3 7
------
6 A
------
If 
then A = ______ and B = ______.
If 
where Q – P = 3, then find the values of P and Q.
If 1AB + CCA = 697 and there is no carry-over in addition, find the value of A + B + C.
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 A
× A
C A B
Let E = 3, B = 7 and A = 4. Find the other digits in the sum
B A S E
+ B A L L
G A M E S
Find the value of the letters in the following:
P Q
× 6
Q Q Q
