321: Write the correct chronological order of the following annexations by the Britishers

I. Oudh

II. Punjab

III. Upper Burma

(a) III, II, I

(b) I, II, III

(c) I, III, II

(d) II, I, III
322: The main constituents of pearl are

(a) calcium carbonate and magnesium carbonate

(b) aragonite and conchiolin

(c) ammonium sulphate and sodium carbonate

(d) calcium oxide and ammonium chloride
323: The Radcliffe Committee was appointed to

(a) solve the problem of minorities in India
(b) give effect to the Independence Bill
(c) delimit the boundaries between India and Pakistan
(d) enquire into the riots in East Bengal
324: If CALCUTTA is 7, 3, 9, 7, 23, 14, 14, 3, BANGALORE will be

(a) 6, 3, 18, 13, 3, 9, 12, 11, 2

(b) 6, 5, 18, 13, 3, 14, 12, 11, 2

(c) 6, 5, 18, 13, 5, 14, 12, 11, 2

(d) 6, 3, 18, 13, 5, 14, 12, 11, 2
325: Which of the following metals is used in the electromagnets?

(a) Soft iron

(b) Stainless steel

(c) Cobalt

(d) Copper