For the following questions answer them individually
In an alloy of German silver the ratio of copper to zinc was 17 : 7 while that of nickel to
zinc was 4 : 3. The ratio of copper to zinc to nickel in the alloy was:
The number of solutions of the pair of linear equations x + 2y — 8 = 0 and 2x + 4y = 16 is
Which Indian stock exchange is planning to launch its own Initial Public Offering (IPO)?
Ages of Lalu and Balu arein the ratio of 1 : 2. After 7 years their ages ratio changes to 3 : 5. The elder person age is: