NDA2019General AbilityGeneral ScienceActual
Two substances of densities ₁ and ₃ are mixed in equal. When they are mixed in equal masses, relative density is 3 . The values of ₁ and ₂ respectively are
Options
- A6,2
- B3,5
- C12,4
- D9,3
Correct answer
A. 6,2
Step-by-step solution
According to question 1+ 2 / 2=4 and 2( 1 2) /( 1+ 2)=3 ,solving both the equations the densities will be will be 6 and 2 .