the product of two 2- digit numbers is 1081.if the product of their units digits os 21 and that of tems digit is 8,find the numbers
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Answered by
3
Let xy * za = 1081
And y * a = 21
x * z = 8
Then y * a = 7 * 3 = 21
x * z = 4 * 2 = 8
x = 4, y = 7 then xy = 47
z = 2, a = 3 then za = 23
The two 2-digit nos. are
47 and 23
And y * a = 21
x * z = 8
Then y * a = 7 * 3 = 21
x * z = 4 * 2 = 8
x = 4, y = 7 then xy = 47
z = 2, a = 3 then za = 23
The two 2-digit nos. are
47 and 23
Answered by
0
Answer:
There is only a single combination of numbers, product of which is 21. The numbers are 3 and 7.
Now, in order to get 8 as a product, the numbers are 2 and 4.
Now, by trying the combination of 23 * 47 we get the product as 1081.
Therefore, the two numbers are 23 and 47.
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