If 9x-3y=12 and 3x-5y=7 then 6x-2y = ?
Consider 9x - 3y = 12.........divide both sides by 3: 3x - y = 4............now multiply both sides by 2: 6x - 2y = 8 So, it`s (d)
|
Two bus tickets from city A to B and three tickets from city A to C cost Rs. 77 but three tickets from city A to B and two tickets from city A to C cost Rs. 73. What are the fares for cities B and C from A ? |
Answer |
|
The total of the ages of Amar, Akbar and Anthony is 80 years. What was the total of their ages three years ago ? |
Answer |
|
A man took loan from a bank at the rate of 12% p.a. simple interest. After 3 years he had to pay Rs. 5400 interest only for the period. The principal amount borrowed by him was. |
Answer |
|
The total age of A & B is 12 years more than the total age of B & C. C is how many year younger than A. |
Answer |
|
The present age of a father is 3 years more than three times the age of his son.Three years hence,father as age will be 10 years more than twice the age of the son.Find the present age of the father. |
Answer |
|
In one hour a boat goes 11 km long the stream and 5 km against the stream.The speed of the boat in still water is? |
Answer |
|
A train 110 m long travels at 60 kmph. How long does it take to pass a telegraph post by the side of the track ? |
Answer |
|
The average ages of three persons is 27 years. Their ages are in the proportion of 1:3:5. What is the age in years of the youngest one among them ? |
Answer |
|
The greatest number of four digits which is divisible by 15, 25, 40 and 75 is: |
Answer |
|
A can copy 50 papers in 10 hrs., while A & B can copy 70 papers in 10 hrs. How many hours are required for B to copy 26 papers? |
Answer |