. If [2/3]^(x+3) = [8/27]^2, then x is equal to…..
A.2 B.3 C.5 D.8 E.9
If 312x+1 . 3x+4= 99, then x=……….
A.4 B.5 C.6 D.7 E.1
4.√288 + √200 + √392 =……..
A.20√2 B.16√2 C.10√2 D.8√2 E.4√2
In the circle O, diameter AB= 20 cm, and chord AC= 16 cm, OP ⊥AC, then OP=……
A. 8 cm B. 7cm C. 6cm D. 5 cm E. 4cm
2.The distance between the two parallel chords AB and CD is
A. 4 cm B. 5cm C. 6 cm D. 7 cm E. 4cm
