Raja is twice older than raghav . If Raja was 4 years
younger, raghav was 3 years older ther diff. between their
ages is 12 years

what is the sum of thier ages

Answer Posted / sruthi

let age of raja be x and age of raghav be y
given:x=2y (1)
x-4=y+3 (2)
x-y=12 (3)
soln:(2y-4)-(y+3)=12 [substituting (2) in (3)]
2y-4-y-3=12
y-7=12
y=19
x=38
x+y=57

Is This Answer Correct ?    17 Yes 0 No



Post New Answer       View All Answers


Please Help Members By Posting Answers For Below Questions

What Is Kyc?

790


how to retrieve the recent record from the database using sql query. suppose the table has the columns only ename,job,salary columns

1754


There are 4 numbers as 5,8,2,1 Form 4, four digit numbers as A, B and find the sum?

785


What is your objeective in career ?

1937


in a railway station, there are tow trains going. One in the harbour line and one in the main line, each having a frequency of 10 minutes. the main line service starts at 5 o'clock. the harbour line starts at 5.02a.m. a man goes to the station every day to catch the first train. what is the probability of man catchinhg the first train

698






+ means * and * means / and / means % what is the value of these question 2+3*5/7 it was two question of these type.

710


if area is icc. by 30% then what is the change in the area?

1575


Find the next letter in the series A,C,F,J,0--

708


how to learn aptitude quickly

1911


A cloth merchant claims to sell is material at cost price but uses a scale which reads 1 meter for every 95 centimeter. Find the gain percent?

1821


Find the missing word(...),ayw,gec,mki,sqo

1000


A person who decided to go weekend trip should not exceed 8 hours driving in a day Average speed of forward journy is 40 mph. due to traffic in sundays, the return journey average speed is 30 mph. how far he can select a picnic spot

945


If the total distance of a journey is 120 km .If one goes by 60 kmph and comes back at 40kmph what is the average speed during the journey?

709


Supposing a clock takes 7 seconds to strike 7. How mlong will it take to strike 10?

888


With a 4/5 full tank a vehicle can travel 12 miles, how far can it travel with a 1/3 full tank

1275