2x-y=4 then 6x-3y=?
- 26 Answers
- 30182 Views
- ABC, Cap Gemini, Ebix, Infosys, Polaris, ProKarma, TVS, I also Faced
- E-Mail Answers
Answer Posted / lakshmi
2x=4+y
x=4+y/2
6x-3y=6(4+y)/2 -3y
=(24+6y-6y)/2
=24/2
=12
| Is This Answer Correct ? | 2 Yes | 0 No |
Post New Answer View All Answers
A man while going down in a escalator(which is moving down) takes 50 steps to reach down and while going up takes 125 steps. If he goes 5 times faster upwards than downwards. What will be the total no of steps if the escalator were'nt moving.
Two pipes A and B when working alone can fill a tank in 36 minutes and 45 minutes respectively. A waste pipe C can empty the tank in 30 minutes.First A and B are opened After 7 minutes. C is also opened . In How much time will the tank be full ?
Why RSD of area limit is 15?
Three containers A, B and C have volumes a, b, and c respectively; and container A is full of water while the other two are empty. If from container A water is poured into container B which becomes 1/3 full, and into container C which becomes 1/2 full, how much water is left in container A?
I HAVE APPLIED FOR RRB-CHENNAI(ECRC,GOODS GUARD).SO I NEED ECRC ALL PREVIOUS YEAR QUESTION SOLVED PAPER..PLS SEND IT TO ramya.raj@hotmail.com
Ram starts from A walking 2 km North and turns right and walks 4 km and turns right again and walks 4 km and turns right again and walks 4 km and meets Radha at Bwalking in the opposite direction to Ram . Distance between A and B
If a car starts from A towards B with some velocity due to some problem in the engine after travelling 30km.If the car goes with 4/5 th of its actual velocity the car reaches B 45min later to the actual time. If the car engine fails after travelling 45km, the car reaches the destination B 36min late to the actual time , what is the initial velocity of car and what is the distance between A and B in km
---- of a mutual instrument vibrate 6,8 & 12 intervals respectively. If all three vibrate together what is the time interval before all vibrate together again?
Find the next series: AE BH CM DU?
I HAVE APPLIED RRB EXAM. SO IWANT TO MODEL OUESTION PAPERS (DEGREE)
Hansie made the following amounts in seven games of cricket in India: Rs.10, Rs.15, Rs.21, Rs.12, Rs.18, and Rs.17(all figures in crores of course). Find his average earnings.
Solve for x and y: 1/x - 1/y = 1/3, 1/x2 + 1/y2 = 5/9.
If the data is for 10 bogies and for every 2 bogies added speed decreases by 5% what will be the speed after 5 hrs.
Sum of 5 consecutive numbers is 35. How many of the numers are prime:
How many 3-digit numbers with atleast one 5 in their digits?
