The sum of the digits of a two digit number is 8. When 18
is added to the number, the digits are reversed. Find the
number? pls explanation is important
Answer Posted / a.pavankumar
ans;35
let two numbers x and y
x+y=8
10x+y+18=10y+x
9x-9y=-18
x-y=-2
x=3
y=5
35+18=53
| Is This Answer Correct ? | 102 Yes | 30 No |
Post New Answer View All Answers
What kind of questions are there in Harbinger Aptitutde test paper(for 2011)and their paper pattern?Plz reply urgently.
A,B,C,D,E are some numbers.if AB * CD = EEE and CD - A =CC THEN what is AB * D =? IN SAME CODE .
There are 4 married couples out of which 3 a group is needed . But thier should not be his of her spouse .How many groups are possible ?
if a,b>0 and a+b=2 then the max value of ab is
In a family Reshma is elder sister of Ragini . Soni is Reshma's daughter and Saloni is Soni's cousin. Rgini's mother is Rajani. Ramani is the sister-inlaw of Reshma. Who is Soni's grandmother?
Square side 7 cm. Find the area 4 equal circles of the circle lying drawn at the…
which questions are asked in pnb related tocomputer and marketing apptitude
A triangle has sides of lengths 10, 24 and k. k is a positive integer. The number of values of k for which this triangle has three acute angles is
There are two queues at a discount store billing counter. In the first queue there are a1 customers all with b1 items in their cart, while in the second queue there are a2 customers all with b2 items in their cart. It takes t seconds to process each item and p seconds for each person to pay. A customer wishes to know which queue to join.Which one of these options gives the condition for the first queue to be the better queue to join?
The square of a two digit number is divided by half the number. After 36 is added to the quotient, this sum is then divided by 2. The digits of the resulting number are the same as those in the original number, but they are in reverse order. The ten's place of the original number is equal to twice the difference between its digits. What is the number?
In a show, ticket numbers from 101 to 350 are made to sit consecutively. What is the probability that the number of the ticket, selected at random, will be a hundredth digit of 2?
6 people A,B,C,D,E and F sit around a table for dinner. Since A does not like C, he doesn't sit either opposite or beside C.B and F always like to sit opposite each other. If A is beside F then who is are the two neighbours of B?
720 buses operate from a depot, but 168 are being repaired. What percentage of the total that are in service?
If A=Z, B=Y, C=X, .......... Z=A, Then GROUP = ?
The average of 13 papers is 40. The average of the first 7 papers is 42 and of the last seven papers is 35. Find the marks obtained in the 7th paper?