Subject :NSO Class : Class 4
Swati took four syringes with stoppers inserted at their nozzles. Each syringe contains
a different substance. All syringes are completely filled with their contents such that their plungers are pulled out to the maximum. Which of the following plunger can be
pushed in?
A
B
C
D
Can anyone please explain how?
Ans 1:
Class : Class 5
Ans 2:
Class : Class 5