दो अंकों की संख्या का दहाई अंक, इकाई अंक का तिगुना है। यदि अंक बदल दिए
जाएँ तो प्राप्त संख्या मूल संख्या से 36 कम हो जाती है। वह संख्या ज्ञात कीजिए।
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Answered by
14
Answer:
62
Step-by-step explanation:
=> let the number is 10x+y
=> as given ten's digit is 3 times of one's
then 3y=x ------------1
=> in second condition by interchanging digit
=> 10x+y=10y+x+36
⇒9x-9y= 36
⇒x-y= 4
by putting value of y from equation 1
⇒3y-y= 4
⇒ 2y = 4
⇒y=2
as y= 2, put the value in eqation 1 we get x=6
so the number is 62
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