621: Huangpu River flows through which one of the following cities?

(a) Beijing
(b) Shanghai
(c) Ho Chi Minh City
(d) Manila
622: The Himalayas are formed of parallel fold ranges, of which the oldest range is

(a) the Siwalik Range

(b) the Lesser Himalayas

(c) the Great Himalayan Range

(d) the Dhaula Dhar Range
623: Which of the following fertilisers leaves acidic residue?

(a) Ammonium phosphate

(b) Ammonium sulphate

(c) Urea

(d) Sulphate of potash
624: In a group of five persons A, B, C, D and E, there is a professor, a doctor and lawyer. A and D are unmarried ladies, and do not work. Of the married couple in the Group, E is the husband. B is the brother of A and is neither a doctor nor a lawyer. Who is the professor ?
625: Which one of the following pairs of states and tribes is not correctly matched?

(a) Assam : Miri
(b) Nagaland : Konyak
(c) Aranachal Pradesh : Apatani
(d) Madhya Pradesh : Lambada