646: Among the following Mughal rulers who was the founder of Mansabdari System?
(a) Akbar
(b) Jahangir
(c) Shahjahan
(d) Aurangzeb
647: Amit started a business by investing Rs. 30,000. Rahul joined the business after some time and invested Rs. 20,000. At the end of the year, profit was divided in the ratio of 2 : 1. After how many months did Rahul joined the business?
(a) 2
(b) 3
(c) 4
(d) 5
648: Under which one of the following Constitution Amendment Acts, four languages were added to the languages under the Eighth Schedule of the Constitution of India, there by raising their number to 22 ?
(a) Constitution (Ninetieth Amendment) Act
(b) Constitution (Ninety-first Amendment) Act
(c) Constitution (Ninety-third Amendment) Act
(d) Constitution (Ninety-second Amendment) Act
649: The normal temperature of human body on the Kelvin scale is
(a) 280
(b) 290
(c) 300
(d) 310
650: Match List I with List II and select the correct answer using the codes given below the Lists :
List I-------------List II
(Timber) --------- (Country)
I. Cedar ---------- (A) Myanmar
II. Douglas Fir ----- (B) Canada
III. Mahogany ----- (C) Mexico
IV. Teak ---------- (D) Honduras
Codes:
(a) I-C, II-B, III-A, IV-D
(b) I-C, II-B, III-D, IV-A
(c) I-B, II-C, III-D, IV-A
(d) I-B, II-C, III-A, IV-D