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
2/3 of people read newspaper A,3/4 read newspaper B.if 38 read both and 8 didn't read any of the 2.how many read A?
If a certain computer is capable of printing 4900 monthly credit card bills per hour, while a new model is capable of printing at a rate of 6600 per hour, the old model will take approximately how much longer than the new model to print 10000 bills?
Find the speed of the boat in still water if the river runs at 4 km/hr. The time taken by a Suresh to row the boat upstream is 3 as the time taken by him to row it downstream.
Two trains at speed 60 km/hr come in the opposite direction. At a particular time the distance between the two trains is 18km. A shuttle flies between the trains at the speed of 80 km/hr. At the time the two trains crashes what is the distance traveled by shuttle?
If Dev walks 30 miles/hr. he reaches 1 hour before and if he walks with a speed of 20 miles/hr. he reach 1 hour late. Find the distance between 2 points and the exact time of reaching destination is 11 am then find the speed with which he walks.
A hotel has two,the east wing and the west wing.some east wing rooms but not all have an ocean view(OV).All WW have a harbour view(HV).The charge for all rooms is identical, except as follows * Extra charge for all HV rooms on or above the 3rd floor * Extra charge for all OV rooms except those without balcony * Extra charge for some HV rooms on the first two floor&some EW rooms without OV but having kitchen facilities.
A boy asks the relation of two people walking along the street. One of them says that the lady walking with him is the daughter of his mother's only son. What is the relation between the two people?
There are 27 balls, of which 1 is heavier. given a balance how many times you need to weigh to find out the odd ball.
f(X)-f(X-1)=f(X-8) FOR X>5 THEN X=
If A=Z, B=Y, C=X, .......... Z=A, Then ZERD = ?
perimeter of rectangle is s and the other side is x, then the other side
Yadi a or b kisi kam ko 12 din me pura krte h tatha b or c usi kam ko 16 din me pura kr sakte h , pahle a is kam ko 5 dino tak karta h fir b 7 dino tk kam ko karta h sesh kam c 13 dino me samapt kr deta h to c akele kam ko kitne dino me pura krega?
Find perimeter of a trapezium with 3 sides given and distance between parallel sides given.
A school has 30% students from Maharashtra .Out of these 20% are Bombey students. Find the total percentage of Bombay?
a bus started from bus stand at 8.00am and after 30min staying at destination it returned back to the bus stand.the destination is 27 miles from the bus stand the speed of the bus 50percent fast speed at what time it returns to the bus stand.