Advertisements
Advertisements
प्रश्न
Work out the following multiplication.
12345679
× 9
Use the result to answer the following question.
What will be 12345679 × 63?
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 each of the following and give reasons for the steps involved.
3 A
+ 2 5
-------
B 2
-------
Find the values of the letters in the following and give reasons for the steps involved
A B
x 3
-------
C A B
-------
Find the values of the letters in the following and give reasons for the steps involved.
A B
x 5
-------
C A B
-------
Find the values of the letters in the following and give reasons for the steps involved.
2 A B
+ A B 1
---------
B 1 8
----------
Find the values of the letters in the following and give reasons for the steps involved.
1 2 A
+ 6 A B
---------
A 0 9
---------
If 
where Q – P = 3, then find the values of P and Q.
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.
B A A
+ B A A
3 A 8
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.
Let D = 3, L = 7 and A = 8. Find the other digits in the sum
M A D
+ A S
+ A
B U L L
