Ques:- Find out the wrong number in each sequence:
125, 123, 120, 115, 108, 100, 84
125, 123, 120, 115, 108, 100, 84
A. 84
B. 100
C. 115
D. 123
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