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Activity 4
Sum of digits of a two digit number is 11. If the digits are interchanged the number so got
327 more than it.

By Ayla

Activity 4
Sum of digits of a two digit number is 11. If the digits are interchanged the number so got
327 more than it. Find the numbers ?
Let the number be xy
= 11
Sum of digits
+
= 11
That is
number
= 10x+y
If the digits
are interchanged
The number so obtained
Difference in numbers
= 27
(10x +y)
= 27
f 3 note books
rice of a pen?
у
Х
=27
On simplification, y – x
х
у​

About the author
Ayla

what do you observe when a beam of light passes through a colloid ?​

Which of the following is a pair of co-prime numbers?

(a) (25, 255) (b) (121, 31)

(c) (7, 343) (d) (81,721)

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