Page 101 - Bangladesh_classwiz_BOOK2018_rev_Neat
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Abykxjbx-8
1| cÖ_g 50wU ¯^vfvweK msL¨vi †hvMdj wbY©q Ki|
2| 7 + 12 + 17 + ⋯ avivwUi 30 wU c‡`i mgwó KZ?
3| 2 − 5 − 12 − 19 − ⋯ avivwUi mvaviY AšÍi Ges 12 Zg c` wbY©q Ki|
4| 4 + 7 + 10 + 13 + ⋯ avivwUi ‡Kv‡bv c` 301?
5| 8 + 16 + 24 + ⋯ avivwUi 27 Zg c` KZ?
6| K¨vjKz‡jU‡i 97 †_‡K ïiæ K‡i 10 n«vm wb‡q MYbv Ki|
7| GKwU eB‡qi AvR‡Ki g~j¨ 32 UvKv| hw` cÖwZeQi Gi g~j¨ 4% K‡i e„w× cvq, Zvn‡j evrmwiK g~j¨ †ei
Kivi Rb¨ GKwU Abyµg †ei Ki‡Z n‡e| GLb †_‡K 12 eQi ci eB‡qi g~j¨ KZ n‡e?
8| K¨vjKz‡jU‡i gv‡bi ZvwjKv e¨envi K‡i wb‡Pi Abyµg¸‡jvi cÖ_g cuvPwU c‡`i gvb †ei Ki‡Z n‡e-
(a ) = 2 + 1
(b ) = 3 × 2
9| GKwU mgvšÍi avivi cÖ_g c` 12 Ges mvaviY AšÍi 8. K¨vjKz‡jU‡i avivwUi cÖ_g wÎkwU c` e¨envi K‡i
GKwU gv‡bi ZvwjKv ˆZwi Ki‡Z n‡e| wekZg c` KZ n‡e?
10| * Kx e¨envi K‡i wb‡Pi avivwUi †hvMdj †ei Ki-
2
2
2
2
1 + 2 + 3 + ⋯ … … . . +10
11| K¨vjKz‡jUi e¨envi K‡i cÖ_g `kwU c‡`i ‡hvMdj †ei Ki‡Z n‡e-
(a) 2 + 4 + 8 +...................
(b) 0.03 + 0.06 + 0.12 +.............
96
