41 .
A,B,C,D,E,F,G and H are sitting in a circle facing towards the centre.
E is between H and D.
H is third to the left of B and second to the right of A.
C is between A and G.
B and E are not facing each other.

Which of the pairs are not neighbors ?
A.BD
B. DE
C. CH
D.BG
E.None of these
42 .
In a mixture of 40 liters, the ratio of milk and water is 4:1.
How much water much be added to this mixture so that the ratio of milk and water becomes 2:3 ?
A.20 liters
B. 30 liters
C. 40 liters
D.50 liters
E.60 liters
43 .
The average of 13 papers is 40.
The average of the first 7 papers is 42
and of the last seven papers is 35.
Find the marks obtained in the 7th paper ?
A.15
B. 19
C. 23
D.27
E.31
44 .
\$ (21.98)^2 − (25.03)^2 + (13.02)^2 \$ = ?
A.18
B. 27
C. 36
D.45
E.54