Ques:- The H.C.F. and L.C.M. of two numbers are 12 and 336 respectively. If one of the numbers is 84, the other is
A. 24
B. 36
C. 48
D. 72
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:
105, 85, 60, 30, 0, – 45, – 90
105, 85, 60, 30, 0, – 45, – 90
A. 85
B. 60
C. -45