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 the series:
190, 166, 145, 128, 112, 100, 91
190, 166, 145, 128, 112, 100, 91
A. 100
B. 112
C. 128
D. 166