(ক) falling

(খ) rising √
(গ) moving
(ঘ) static

(ক) A chart of bus fare

(খ) A price list
(গ) A valuable document
(ঘ) A list of dishes at restaurant √

(ক) He is very tired √
(খ) He is has arrived
(গ) He has finished packing
(ঘ) He has got everything

(ক) improve

(খ) exhaust
(গ) rub out √
(ঘ) cut out

(ক) x+1

(খ) 1
(গ) -1 √
(ঘ) x-1

(ক) √৪৮

(খ) ০

(গ) √৬

(ঘ) √২৪ √

(ক) (-1/3, 1/3)

(খ) (1, -1 )
(গ) (-3, 3)
(ঘ) (-1, 1) √

(ক) f(1) = 1

(খ) f(0) = 1
(গ) f(-1) = 3
(ঘ) f(1) = 3 √

(ক) ভারত

(খ) রাশিয়া

(গ) ভুটান √

(ঘ) নেপাল

(ক) ৩১ জানুয়ারি

(খ) ৩০ মার্চ

(গ) ৩০ এপ্রিল

(ঘ) ৩১ মে √