Answer:
Let the digits at tens place and units place be
x
and
(
14
−
)
respectively.
∴
Original number =
10
+
=
9
On interchanging the digits, the digits at one place and
tens place will be
New number =
140
According to the given condition,
New number = Original number - 18
⇒
18
144
8
Therefore, the original two digit number is
×
86
Copyright © 2024 EHUB.TIPS team's - All rights reserved.
Answers & Comments
Answer:
Let the digits at tens place and units place be
x
and
(
14
−
x
)
respectively.
∴
Original number =
10
x
+
(
14
−
x
)
=
9
x
+
14
On interchanging the digits, the digits at one place and
tens place will be
x
and
14
−
x
respectively.
∴
New number =
10
(
14
−
x
)
+
x
=
140
−
9
x
According to the given condition,
New number = Original number - 18
⇒
140
−
9
x
=
9
x
+
14
−
18
⇒
18
x
=
144
∴
x
=
8
Therefore, the original two digit number is
=
9
(
x
)
+
14
=
9
×
8
+
14
=
86