द sum ऑफ द डिजिट सॉफ्ट टू डिजिट नंबर इस 15 if the number फोन वाइट रिवर्स इन द डिजिट इज लैंड एंड ओरिजिनल नंबर 27 फाइंड द ओरिजिनल नंबर
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The sum of the digits of a two digit number is 15. If the number formed by reversing the digits is less than the original number by 27. Find the original number
Solution:
Let the number with two digits be 10x + y.
Sum of the digits is 15.
⇒ x + y = 15 ----------------- (1)
Number formed by reversing the digits = (10y + x)
(10x + y) - (10y + x) = 27
⇒ 9x - 9y = 27
⇒ x - y = 3 ----------------- (2)
Solving equations (1) and (2), we get x = 9 and y = 6.
Therefore, the original number is 10(9) + 6 = 96
Solution:
Let the number with two digits be 10x + y.
Sum of the digits is 15.
⇒ x + y = 15 ----------------- (1)
Number formed by reversing the digits = (10y + x)
(10x + y) - (10y + x) = 27
⇒ 9x - 9y = 27
⇒ x - y = 3 ----------------- (2)
Solving equations (1) and (2), we get x = 9 and y = 6.
Therefore, the original number is 10(9) + 6 = 96
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