The harmonic mean H of two numbers is 4 and the arithmetic mean A and geometric mean G satisfy the
equation 2A + G^2 = 27. The two numbers are
(a) 6, 3 (b) 9, 5 (c) 12, 7 (d) 3, 1
Normally the Parliament can legislate on the subjects enumerated in
option
(A) the Union List
(B) the Concurrent List
(C) the State List
(D) the Union as well as Concurrent List
The polarity of an unmarked horse shoe magnet can be determined by using
option
(A) a charged glass rod
(B) a magnetic compass
(C) an electroscope
(D) another unmarked bar magnet