) Peter and Paul are two friends. The sum of their ages is
42 years. Peter is twice as old as Paul was when Peter was
as old as Paul is now. What is the present age of Peter?
Answer Posted / jamuna
let age of peter is p and paul is pa
p+pa=42(given)--------(Eq.1)
when peter is as old as paul that is, before (p-pa) years peter's age will be:p-(p-pa)
at that time paul's age will be y-(p-pa)
it is given that(in the prblm) peter's age was twice this
there fore
p=2[p-(p-pa)]-------(Eq 2]
solving both equations 1 and 2 we get
| Is This Answer Correct ? | 7 Yes | 9 No |
Post New Answer View All Answers
There are 9 balls of these one is defective. Find the minimum no. of chances of finding the defective one.
i need icet model papers,po exam papers....please send urgent
What amount of compound interest can be obtained on an amount of Rs. 4500 at the rate of 4% p.a. at the end of 2 years?
A contractor employed 200 men to complete a strip of highway in 200 days. After 150 days he found that only 3/5th of the strip is complete. How many additional men should be employed to complete the work on time?
The age of the grand father is the sum of his three grandsons.The second is 2 year younger than first one and the third one is 2 year younger than the second one. Then what will be the age of the grandfather?
The price of coffee increases by 20%, how much percent consumption of coffee should be reduced by Reema so that the expenditure on coffee remains the same.
f(X)= 2X-1 + f(X-1) if X is not equal to zeroandiff(X=0)=0, If f(X)= f(X-1)+f(X-2) for X>1 then X= ?
In the 4 digits 1,2,3,4 how many 4 digited numbers are possible which are divisable by 4? Repetetions are allowed
Find the value of (1.99)2
Age of Grandfather is the ages of 4 grandchildren where their ages are in consecutive.Find the age of Grandfather.
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?
A class consists of 100 students, 25 of them are girls and 75 boys; 20 of them are rich and remaining poor; 40 of them are fair complexioned. The probability of selecting a fair complexioned rich girl is
need Thomson Reuters Questions and Answers
In a class total 34 students, 16 are have a brother, 15 are have sisters, 9 students don't have either brothers or sisters.Find the number of students having both brother and sisters.
A lorry starts from Bangalore to Mysore at 6.00 A.M,7.00am.8.00 am.....10 pm. Similarly one another starts from Mysore to Bangalore at 6.00 am,7.00 am, 8.00 am.....10.00pm. A lorry takes 9 hours to travel from Bangalore to Mysore and vice versa. A lorry which has started at 6.00 am will cross how many lorries.