Ques:- How many litres of pure acid are there in 8 litres of a 20% solution?
A. 1.4
B. 1.5
C. 1.6
D. 2.4
Ques:- Find out the wrong number in each sequence:
36, 54, 18, 27, 9, 18.5, 4.5
36, 54, 18, 27, 9, 18.5, 4.5
A. 4.5
B. 8.5
C. 18.5
D. 18