Author: Dr. Abu Bakkar Siddiq

(a) 1793
(b) 1789
(c) 1798
(D) 1779

Answer : (b) 1789

(a) Norway
(b) Finland
(c) Indonesia
(d) Japan

Answer : (b) Finland

(a) Increasing the navigability of the rivers of the two countries
(b) Desilting of the rivers of the two countries
(c) Assistance in flood control
(d) Development of maritime transport system

Answer : (a) Increasing the navigability of the rivers of the two countries

(a) Reservoir construction in Nepal
(b) Digging of connecting canal to Ganges Brahmaputra
(c) Construction of Ganga Dam in Bangladesh
(d) Increase in water flow of Ganga branch

Answer : (a) Reservoir construction in Nepal

(ক) (a2+2a+2)(a2+2a-2)
(খ) (a2+2a+2)(a2-2a+2)
(গ) (a2-2a+2)(a2+2a-2)
(ঘ) (a2-2a-2)(a2+2a-2)

উত্তর : (খ) (a2+2a+2)(a2-2a+2)

(ক) ((2x+3)(x+1)
(খ) (2x+3)(x-1)
(গ) (2x-3)(x-1)
(ঘ) (2x-3)(x+1)

উত্তর : (ঘ) (2x-3)(x+1)

(ক) 4xy
(খ) 2xy
(গ) 6xy
(ঘ) 8xy

উত্তর : (খ) 2xy

(a) 100
(b) 90
(c) 160
(d) 80

Answer : (c) 160

(a) Egar Sindu
(b) Parabat
(c) Coast Express
(d) Beach

Answer : (c) Coastal Express

(a) 3.5
(b) 2.5
(c) 4.5
(D) 5

Answer : (c) 4.5