Mẹo Hướng dẫn When you reverse the digits of the number 13 the number increased by 18 how many other two digit numbers increased by 18 when their digits are reverse... Chi Tiết
Cao Nguyễn Bảo Phúc đang tìm kiếm từ khóa When you reverse the digits of the number 13 the number increased by 18 how many other two digit numbers increased by 18 when their digits are reverse... được Update vào lúc : 2022-10-15 01:08:38 . Với phương châm chia sẻ Kinh Nghiệm Hướng dẫn trong nội dung bài viết một cách Chi Tiết Mới Nhất. Nếu sau khi đọc nội dung bài viết vẫn ko hiểu thì hoàn toàn có thể lại Comment ở cuối bài để Ad lý giải và hướng dẫn lại nha.
Nội dung chính -
CAT Content CAT 2006 Question 20View Video SolutionWhen you reverse the digits of the number 13, the number increases by 18When you reverse the digits of the number 13, the number increases by 18When you reverse the digits of the number 13, the number increases by 18. How
many other 2 digit numbers increase by 18 when their digits are reverse?When we reverse the number 13 it increases by 18 how many such 2 digit numbers are there which increases by 18 by reversing them?How do you reverse a 2 digit number?How do you find the reverse of a number?
- Mocks
- CAT
Mocks CAT Sectionals SNAP Mocks IIFT Mocks XAT Mocks NMAT Mocks CMAT Mocks MAH MBA CET Mocks TISSNET Mocks PGDBA Mocks
- CAT Previous Papers IIFT Previous Papers
XAT Previous Papers MAT Previous Papers CMAT Previous Papers PGDBA Previous Papers
TISS Previous Papers SNAP Previous Papers SRCC GBO Previous Papers TS ICET Previous Papers AP ICET Previous Papers
- Concept Videos Revision Videos
Question Videos Batch Schedule SNAP Crash Course Booster Classes Concept
Notes Quant Formulas NMAT Crash Course CMAT Crash Course MAH-CET Crash Course
- Study Material Daily Target
Mocks Sectionals Solved Sets
-
Percentile Required Percentile Predictor Top MBA Colleges Virtual Calculator
Cracku Store Success Stories
- Live ChatAdda
CAT Content
- Free CAT Mocks
Previous CAT Papers Verbal Ability for CAT CAT Quantitative Aptitude
CAT Quant Topics
- Linear Equations
Inequalities Quadratic Equations Averages, Ratio and Proportion Time, Distance and Work
Profit, Loss and Interest Logarithms, Surds and Indices Probability, Combinatorics Data
Sufficiency Geometry Number Systems Progressions and Series Venn Diagrams
Functions, Graphs and Statistics
-
Para Jumbles Para Completion and Summary Reading Comprehension Grammar and Sentence Correction
Vocabulary Miscellaneous Critical Reasoning
- Logical Reasoning Data
Interpretation
CAT 2006 Question 20
Solution
Let the number be xy
10y + x = 10x + y + 18
=> 9y - 9x = 18
=> y - x = 2
So, y can take values from 9 to 4 (since 3 is already counted in 13)
Number of possible values = 6
View Video Solution
Create a FREE account and get:
- All Quant CAT Formulas and shortcuts PDF20+ CAT previous papers with solutions PDFTop 500 CAT Solved
Questions for Free
reply
Mohammed
Guys, does anyone know the answer?
get when you reverse the digits of the number 13, the number increases by 18. how many other twodigit numbers increase by 18 when their digits are reversed? from screen.
When you reverse the digits of the number 13 , the number increases by 18. How many other two digit numbers increase by 18 when their digits are reversed?
trang chủ
When you reverse the digits of the number 13 , the number increases by 18. How many other two digit numbers increase by 18 when their digits are reversed?
Question
When you reverse the digits of the number 13, the number increases by 18. How many other two digit numbers increase by 18 when their digits are reversed?
___ Open in App Solution
Let 10x + y be a two digit number, where x and y are positive single digit integers and
x > 0 .
Its reverse = 10y + x
Now, 10y + x - 10x - y = 18
∴ 9(y - x) = 18 ∴ y - x = 2
Thus y and x can be (1, 3), (2, 4), (3, 5), (4, 6), (5, 7), (6, 8) and (7, 9)
∴
Other than 13, there are 6 such numbers.
Suggest Corrections 2 SIMILAR QUESTIONS
Q.. The sum of the digits of a two-digit number is 7. When the digits are reversed, the number is increased by 27. Find the number.Q.. A two-digit number is such that it exceeds the sum of the number formed by reversing the digits and sum of the digits by
4
. Also the original number exceeds the reversed number by
18
. Find the product of the digits.
Q.. A two-digit number is such that the product of its digits is
8 .When 18
is added to the number, the digits are reversed. The number is:
Q.. The sum of the digits of a two digit number is
8
. The digits of number get reversed when
18
is subtracted from the number. Find the original number.
Q.. A two-digit number becomes five-sixth of itself when its digits are reversed. The two digits differ by one. What is the number?
View More
स्रोत : byjus.com
When you reverse the digits of the number 13, the number increases by 18
When you reverse the digits of the number 13, the number increases by 18
Numbers
When you reverse the digits of the number 13, the number increases by 18. How many other two-digit numbers increase by 18 when their digits are reversed?
5 6 7 8
Answer
Let the two-digit number be ab.
When the digits are reveres (ba), the number is increased by 18.
(10a+b) - (10b+a) = 18
a - b = 2
All such numbers that have unit's digit greater than ten's digit by 2.
Numbers are (except 13) 24, 35, 46, 57, 68, 79. So. there are 6 other numbers.
The correct option is B.
स्रोत : myaptitude.in
When you reverse the digits of the number 13, the number increases by 18. How many other 2 digit numbers increase by 18 when their digits are reverse?
Answer (1 of 11): This can be calculated easily. As any two digit number can be written in the following form: N= 10x +y If we reverse the number now, it would become: N' = 10y + x So if we subtract one from the other, we should obtain 18 ( as mentioned in the question ). N-N'= 18 => x-y ...
When you reverse the digits of the number 13, the number increases by 18. How many other 2 digit numbers increase by 18 when their digits are reverse?
Ad by Amazon Web Services (AWS)
AWS is how.
AWS removes the complexity of building, training, and deploying machine learning models any scale.
Sort
Praveenkumar Kalikeri
Engineer by Choice, Maths Educator by passionAuthor has 1.1K answers and 2.2M answer views4y
Thanks A2A.
Assume the number to be N= 10a + b
If the digits of the number are interchanged, then we have N' = 10b + a
It is also given that the difference between the number & reversed number is 18.
N' = N + 18
10b + a - 10a - b = 18
9b - 9a = 18 b - a = 2
Therefore, the values a & b can take are as follows.
b = 9, 8, 7, 6, 5, 4, 3, 2
a = 7, 6, 5, 4, 3, 2, 1, 0
Therefore, the numbers are 02, 13, 24, 35, 46, 57, 68, 79.
Hope this helps you.
Sai Sudharshan
Architect | Designer | Artist6y
An equation in 2 variables can be obtained for this.
Assume that the digits of the 2 digit number are 'x' and 'y'.
The 2 digit number is represented as: 10x + y [In the example you have given, x=1 and y=3, therefore, it can be represented as 10(1) + 3 = 13]
It is also given that on adding 18 to the given number, the digits are reversed. Representing that in the form of a linear equation:
10x + y + 18 = 10y + x [RHS = Digits are reversed]
9x - 9y = -18 x - y = -2 => y - x = 2
Substitute values for x and y such that the above equation is satisfied.
On substituting values for x and y, we get the followin
Sponsored by Whole Tomato Software
Visual Assist 2022.3 is here!
Filling gaps in Visual Studio for C/C++ and C# developers. Try Visual Assist for không lấy phí.
Kanishk Chauhan
PhD Physics, Ohio University, USA6y
This can be calculated easily.
As any two digit number can be written in the following form:
N= 10x +y
If we reverse the number now, it would become:
N' = 10y + x
So if we subtract one from the other, we should obtain 18 ( as mentioned in the question ).
N-N'= 18 => x-y = 2
Thus, any number whose digits differ by two would be an aswer to the question.
The only numbers which satisfy this are : 13,24,35,46,57,68,79
But this would not be true for any 3 or more digit number.
Related questions
When you reverse the digits of the number 13, why does the number increase by 18?
When we reverse the digits of the number 16, they increase by 12. What other two digit numbers increases by 12 when their digits are reversed?
The sum of the digits of a certain number is 7. Reverse its digits increases the number by *a certain number*. What is the number?
A two-digit number is 18 more than that number reversed. What could that number be? List all possibilities.
In a two digit number, the ten’s digit is 2 more than the square of unit digit. The original number is 18 more than the number received by reversing the digits. What is the original number?
Mahesh Reddy
Author has 1.5K answers and 1.8M answer views6y
Let ab is the number where a is in tens place , B is in unit place . so
Value of a= 10 × a b=1×b
Value of total number = 10a+b
After shifting the digits , the number would be ba
So value of ba =10b+a
10b+a -(10a+b)= 18
So after simplification
b-a =2
So for every number if the unit digit is greater than tens digit by 2 , then the reverse of digits will give the resultant number 18 greater than the original number .
13,24,35,46,57,68,79
Diane Chen
Hardware Design Engineer, Consumer Electronics6y
Assume this 2 digit number is ab, then we will get the following equation:
10*a+b+18=10*b+a we get: a-b=2
so the numbers are: 13, 24, 35, 46, 57, 68, 79
Sponsored by Aspose
Need a .NET API to perform OCR on images?
Easily add OCR functionalities in any .NET based applications using our extensible and powerful API.
Rohit Ranjan
Studied Biju Patnaik University of Technology (Graduated 2022)4y
Let the two-digit number be ab.
When the digits are reveres (ba), the number is increased by 18.
(10a+b) - (10b+a) = 18
a - b = 2
All such numbers that have unit's digit greater than ten's digit by 2.
Numbers are (except 13) 24, 35, 46, 57, 68, 79. So. there are 6 other numbers
Sankhya
Technical Consulting Engineer [IOS-XR] Cisco (company) (2022–present)Author has 58 answers and 43.6K answer views3y
Related
The sum of a particular two-digit number is 14. If this number's digits are reversed, the number is increased by 18. What is this number?
Let the digit in units place be y
Let the digit in ten's place be x
So the number is 10x+y
After reversing the places of the digits the number is 10y+x
The relationship between the actual number and after reversing is :
10x+y+18= 10y+x 9x-9y=-18
y-x=2 ………….. Equation 1
Again,
x+y=14 ………… Equation 2
Adding the two equations :
X is cancelled out and y=8
Substituting value of y in any of the two equations we get x=6
So the number is 68
If you reverse the digits it becomes 86 , which is 18 greater than the number
स्रोत : www.quora.com
When we reverse the number 13 it increases by 18 how many such 2 digit numbers are there which increases by 18 by reversing them?
∴ Other than 13, there are 6 such numbers. Q..How do you reverse a 2 digit number?
There are two standard logics concerning two-digit numbers and their reverse. The general form of the two-digit number 'ab' is (10 times a) + b. We know that to reverse a number, we should swap the numbers in TENS and ONES position. Therefore, the general form of its reverse 'ba' is (10 times b) + a.How do you find the reverse of a number?
Reverse an Integer In each iteration of the loop, the remainder when n is divided by 10 is calculated and the value of n is reduced by 10 times. Inside the loop, the reversed number is computed using: reverse = reverse * 10 + remainder; Let us see how the while loop works when n = 2345 . Tải thêm tài liệu liên quan đến nội dung bài viết When you reverse the digits of the number 13 the number increased by 18 how many other two digit numbers increased by 18 when their digits are reversed?