Tiêu đề Science board question.pdf ✅

†mU : L 2 ivRkvnx †evW© 2020 welq ˆKvW : 1 2 7 mgq-30 wgwbU weÁvb eûwbe©vPwb Afxÿv c~Y©gvb-30 [we‡kl `aóe ̈ : mieivnK...Z eûwbe©vPwb Afxÿvi DËic‡Î cÖ‡kœi μwgK b¤^‡ii wecix‡Z cÖ`Ë eY©msewjZ e„Ëmg~n n‡Z mwVK/ m‡e©vrK...ó Dˇii e„ËwU ej c‡q›U Kjg Øviv m¤ú~Y© fivU Ki| cÖwZwU cÖ‡kœi gvb 1| cÖkœc‡Î †Kv‡bv cÖKvi `vM/wPý †`Iqv hv‡e bv|] 1. †Kvb cixÿvq i3bvjx‡Z ÔWvBÕ cÖ‡ek Kiv‡bv nq? K Gg.Avi.AvB L †iwWI‡_ivwc M AvjUavm‡bvMÖvwd N GbwRIMÖvwd 2. wbGPi ˆKvbwU wUwf KÅvGgivi ˆgŒwjK iO? K njy` L †e ̧wb M meyR N Kv‡jv 3. †Kvb weÁvbx fossil Avwe®‹vi K‡ib? K †R‡bv‡db L A ̈vwi÷Uj M nve©vU© † ̄úbmvi N W. †cUa–wm 21. 4. DÏxc‡Ki DwTM¢`wU †h gva ̈‡g R‡š§ Zvi MV‡b we` ̈gvb- K H I N L H I O M H I Cl N N I O 5. DËj `c©‡Y Kx ai‡bi cÖwZwe¤^ ˆZwi nq? K ev ̄Íe L D‡ëv M Lwe©Z N weewa©Z n wb‡Pi DÏxc‡Ki Av‡jv‡K 6 I 7 bs cÖ‡kœi DËi `vI : wgjb mv‡ne‡K Zvi Awd‡mi mvg‡b Mvwo cvwK©s Ki‡Z †ek †eM †c‡Z n‡jv| wZwb Zvi Mvwo‡Z ̄’vwcZ `c©Y ̧‡jvi mvnv‡h ̈ G KvRwU K‡iwQ‡jb| 6. MvwowU‡Z KqwU `c©Y ̄’vwcZ Av‡Q? K 2 L 3 M 4 N 5 7. MvwowU‡Z ̄’vwcZ `c©Y n‡jv- i. †Mvjxq ii. DËj AeZj iii. DËj wb‡Pi †KvbwU mwVK? K i I ii L i I iii M ii I iii N i, ii I iii 8. †KvbwU cÖvK...wZK cwjgvi? K ivevi L †iwRb M cwjw_b N ev‡KjvBU 9. †KvbwUi Kvi‡Y evqygЇj ZvcgvÎv e„w× cvq? K f‚wgK¤ú L AMœy ̈rcvZ M `vevbj N wMÖb nvDR 10. F = ma m¤úK©wU n‡jv- i. fi wØ ̧Y n‡j e‡ji gvb wØ ̧b n‡e ii. aaæe ej Z¡iY m„wó K‡i iii. ej wØ ̧Y n‡j e ̄‘i Z¡ib wØ ̧Y n‡e wb‡Pi †KvbwU mwVK? K i I ii L i I iii M ii I iii N i, ii I iii 11. wb‡Pi †KvbwU †ZRw ̄μq †gŠj? K BD‡iwbqvg L †Rbb M Av‡qvwWb N †K¬vwib n wb‡Pi DÏxc‡Ki Av‡jv‡K 12 I 13 bs cÖ‡kœi DËi `vI : n†rwcí Q A P O2 CO2 12. GLv‡b ‘P’ wPwýZ As‡ki bvg Kx? K agbx L wkiv M ˆKwkK RvwjKv N jwmKv 13. ‘A’ As‡ki KvR n‡jv- i. i3 cv¤ú Kiv ii. i3 RgvU euvav iii. mviv‡`‡n i3 mÂvjb wb‡Pi †KvbwU mwVK? K i I ii L i I iii M ii I iii N i, ii I iii 14. K ̈vjvwg‡bi ms‡KZ †KvbwU? K CaCO3 L Al(OH)3 M ZnCO3 N CaCl2 15. ‘wg^vBj ˆiW’ ÞviGKi gGaÅ ˆKvb iO aviY KGi? K jvj L njy` M bxj N †Mvjvwc 16. Uav݇RwbK U‡g‡Uv- i. Z¡K big iv‡L ii. my‡μvR aviY K‡i iii. †`wi‡Z cv‡K wb‡Pi †KvbwU mwVK? K i I ii L i I iii M ii I iii N i, ii I iii 17. DÏxc‡Ki wPÎwUi bvg Kx? K wiI‡÷U L ms‡hvMnxb Zvi M w ̄’i †iva N Gwm Zwor Drm 18. GKwU e ̈vUvwi‡Z mvaviYZ KqwU Ask _v‡K? K 2 L 3 M 4 N 6 19. wmwKj †mj †ivM n‡j- i. †jvwnZ i3KwYKv `aæZ †f‡1⁄2 hvq ii. i3k~b ̈Zv †`Lv †`q iii. †`‡n Zxea e ̈_v K‡i wb‡Pi †KvbwU mwVK? K i I ii L i I iii M ii I iii N i, ii I iii 20. `y ̈wZ cÖ`k©b K‡i- i. K ̈vjmvBU ii. cvBivBU iii. nxiv wb‡Pi †KvbwU mwVK? K i I ii L i I iii M ii I iii N i, ii I iii n wb‡Pi DÏxc‡Ki Av‡jv‡K 21 I 22 bs cÖ‡kœi DËi `vI : n(CH2 = CH2) DœP Zvc I Pvc 3⁄43⁄43⁄43⁄43⁄4® O2 cÉfveK A 21. DÏxc‡Ki A AskwUi bvg Kx? K Bw_wjb L cwjw_b M cøvw÷K N †mjy‡jvR 22. A Øviv - i. cwi‡e‡ki fvimvg ̈ bó nq ii. GwU mn‡R cPbkxj iii. gvbe‡`‡n K ̈vÝv‡ii g‡Zv †ivM m„wó K‡i wb‡Pi †KvbwU mwVK? K i I ii L i I iii M ii I iii N i, ii I iii 23. wbi‡cÿ Rjxq `ae‡Yi pH gvb KZ? K 6 L 7 M 7.4 N 8 24. wb‡Pi †KvbwU cvwb‡Z `aeYxq wfUvwgb? K wfUvwgb A L wfUvwgb C M wfUvwgb D N wfUvwgb E 25. we”Qzi û‡j †Kvb c`v_© _v‡K? K †ncvwib L wbD‡Uavwdj M wn÷vwgb N A ̈vcvwgb 26. †Kv‡bv e ̄‘i Dci 300 wbDUb ej cÖ‡qvM K‡i 3 wg./ †m.2 Z¡iY m„wó Kiv nq| e ̄‘wUi fi KZ? K 100 kg L 150 kg M 300 kg N 900 kg 27. †Kvb `y‡h©vMwU ïaygvÎ mvM‡i m„wó nq? K eb ̈v L U‡b©‡Wv M mybvwg N N~wY©So 28. ˆewk¦K DòZv I jeYv3Zv e„w× †c‡j- i. Rxe‰ewPÎ ̈ ûgwKi gy‡L co‡e ii. RjR cÖvYxmg~n g‡i hv‡e iii. cvwb‡Z `aexf‚Z Aw·‡Rb K‡g hv‡e wb‡Pi †KvbwU mwVK? K i I ii L i I iii M ii I iii N i, ii I iii 29. eavBb n‡jv- i. wPwbi `aeY ii. je‡Yi `aeY iii. †gwib IqvUvi wb‡Pi †KvbwU mwVK? K i I ii L ii I iii M i I iii N i, ii I iii 30. wb‡Pi †KvbwU RxevYybvkK bq? K Cl2 L Ca (OCl) Cl M N2O N NaCl 1 KLMN 2 KLMN 3 KLMN 4 KLMN 5 KLMN 6 KLMN 7 KLMN 8 KLMN 9 KLMN10 KLMN 11 KLMN 12 KLMN13 KLMN14 KLMN 15 KLMN 16 KLMN17 KLMN18 KLMN19 KLMN20 KLMN Self test 21 KLMN22 KLMN23 KLMN24 KLMN 25 KLMN 26 KLMN27 KLMN28 KLMN29 KLMN30 KLMN "--------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- 1 N 2 M 3 K 4 L 5 M 6 L 7 L 8 K 9 N 10 N 11 K 12 K 13 L 14 M 15 L 16 M 17 K 18 L 19 N 20 M 21 L 22 L 23 L 24 L 25 M 26 K 27 N 28 N 29 L 30 M
m„Rbkxj weÁvb : beg-`kg †kÖwY 7 †mU : K 3 h‡kvi †evW© 2020 welq ˆKvW : 1 2 7 mgq-30 wgwbU weÁvb eûwbe©vPwb Afxÿv c~Y©gvb-30 [we‡kl `aóe ̈ : mieivnK...Z eûwbe©vPwb Afxÿvi DËic‡Î cÖ‡kœi μwgK b¤^‡ii wecix‡Z cÖ`Ë eY©msewjZ e„Ëmg~n n‡Z mwVK/ m‡e©vrK...ó Dˇii e„ËwU ej c‡q›U Kjg Øviv m¤ú~Y© fivU Ki| cÖwZwU cÖ‡kœi gvb 1| cÖkœc‡Î †Kv‡bv cÖKvi `vM/wPý †`Iqv hv‡e bv|] 1. †KvbwU Dfag©x c`v_©? K ÿvi L cvwb M jeY N GwmW 2. eqtmwÜKv‡j gvbwmK cwieZ©b †KvbwU? K IRb e„w× cvIqv L j¤^v n‡q DVv M Av‡eM Øviv PvwjZ nIqv N SuywKc~Y© Kv‡R wb‡qvwRZ nIqv 3. GwmW e„wó‡Z Kg cwigv‡Y _v‡K- i. bvBwUaK GwmW ii. nvB‡Wav‡K¬vwiK GwmW iii. mvjwdDwiK GwmW wb‡Pi †KvbwU mwVK? K i L ii M i I iii N ii I iii 4. ingvb mv‡ne nVvr K‡i nvU© A ̈vUv‡K AvμvšÍ n‡j Zvi GKwU we‡kl ai‡bi cixÿv Kiv nq †hLv‡b G·‡i Gi gva ̈‡g i3bvjxi Qwe †Zvjv nq| we‡kl cixÿvwU Kx? K BwmwR L GgAviAvB M G‡ÛvmKwc N GbwRIMÖvwd 5. †KvbwU Rv1⁄4dzW? K we ̄‹zU L mewR M iæwU N fvZ n wb‡Pi Aby‡”Q`wU co Ges 6 I 7 bs cÖ‡kœi DËi `vI : Kvwie QywU‡Z ev›`ievb hvIqvi c‡_ iv ̄Ívi A`„k ̈ euvK ̧‡jv‡Z GK we‡kl ai‡bi cÖwZdjK gva ̈g jÿ Ki‡jv| G wel‡q Zvi evevi Kv‡Q Rvb‡Z PvB‡jv| cieZ©x‡Z Mvwo‡Z e‡m †m hLb †ccvi cowQj ZLb †jLv ̧‡jv ̄úó †`L‡Z cvw”Qj bv| 6. we‡kl ai‡bi cÖwZdjK gva ̈gwU Kx? K †Mvjxq `c©Y L mgZj `c©Y M DËj †jÝ N AeZj †jÝ 7. Kvwi‡ei DwjøwLZ mgm ̈vi KviY n‡jv- i. †j‡Ýi Awfmvix ÿgZv n«vm ii. Awÿ‡Mvj‡Ki e ̈vmva© e„w× iii. †iwUbvi wcQ‡b cÖwZwe¤^ MVb wb‡Pi †KvbwU mwVK? K i I ii L i I iii M ii I iii N i, ii I iii 8. †KvbwU KvP ˆZwii KuvPvgvj? K gvBKv L wRcmvg M †KvqvU©R N Pzbvcv_i 9. ̄§vU©‡dvb w`‡q- i. GmGgGm Kiv hvq ii. Qwe wcÖ›U Kiv hvq iii. B›Uvi‡b‡Ui mv‡_ hy3 nIqv hvq wb‡Pi †KvbwU mwVK? K i I ii L i I iii M ii I iii N i, ii I iii 10. †KvbwU kw3kvjx GwmW? K mvBwUaK GwmW L mvjwdDwiK GwmW M A·vwjK GwmW N Kve©wbK GwmW 11. †Kvb †mUwU wfUvwgb-C hy3 Lv‡` ̈i †ÿ‡Î cÖ‡hvR ̈? K a‡b cvZv, †jUzm cvZv L Zzjv exR, cyw`bv cvZv M †Zj exR, KuvPv gwiP N euvav Kwc, AsKzwiZ exR 12. gvby‡li cÖwZwU †`n‡Kv‡l KZwU †μv‡gv‡Rvg _v‡K? K 2wU L 22wU M 44wU N 46wU 13. euva wbg©v‡Yi d‡j cvwb cÖevn wewNœZ n‡q †Kvb b`x ̧‡jv ïwK‡q g‡i †M‡Q? K Ki‡Zvqv, g‡bvR L weweqvbv, eovj M eovj, Kzgvi N kvLv eivK, g‡bvR 14. `yBwU mvaviY e ̈vUvwi †m‡ji wefe cv_©K ̈ KZ? K 1.5 V L 3 V M 4 V N 6 V 15. †KvbwU A ̈vw›UewW MVb K‡i? K wj‡çvmvBU L g‡bvmvBU M †e‡mvwdj N BIwm‡bvwdj n wb‡Pi Aby‡”Q`wU co Ges 16 I 17 bs cÖ‡kœi DËi `vI : gwbi mv‡ne ey‡K Zxea e ̈_v wb‡q Wv3v‡ii kiYvcbœ n‡j Wv3vi wKQy cixÿv Ki‡Z e‡jb| cixÿv‡Z Wv3vi Zvi n„rwc‡Ð i‡3i A ̄^vfvweK cÖevn cvb Ges †mB mv‡_ i‡3 AwZwi3 Møy‡Kv‡Ri Dcw ̄’wZ jÿ K‡ib| 16. †Kvb mgm ̈vi Kvi‡Y gwbi mv‡ne ey‡K Zxea e ̈_v Abyfe K‡ib? K nvU© †dBwjDi L nvU© A ̈vUvK M nvU© †÷avK N nvU© eøK 17. i‡3 D‡jøwLZ c`v‡_©i AwZwi3 Dcw ̄’wZ wbqš¿‡Y cÖ‡hvR ̈ n‡jv- i. k„•Ljv †g‡b Pjv ii. wbqwgZ cÖmÖve cixÿv iii. †k¦Zmvihy3 Lv` ̈ MÖnY wb‡Pi †KvbwU mwVK? K i I ii L i I iii M ii I iii N i, ii I iii 18. †KvbwU cÖvK...wZK cwjgvi? K wmé L †iwRb M cwjw_b N ev‡KjvBU 19. wmwKj‡mj †iv‡Mi Kvi‡Y gvbe‡`‡n †Kvb mgm ̈vwU †`Lv hvq? K †`n j¤^vK...wZ nq L KÉ ̄^i †gvUv nq M i3bvwj‡Z euvav m„wó nq N gw ͇̄®‹i ̄^vfvweK Kg©KvÐ e ̈vnZ nq 20. †Kvb wPwKrmvi gva ̈‡g we‡kl ivmvqwbK Jla e ̈envi K‡i ÿwZKi wefvRbiZ †Kvl aŸsm Kiv hvq? K G‡Ûv‡ ̄‹vwc L GbwRIMÖvwd M †K‡gv‡_ivwc N Avëavm‡bvMÖvwd 21. †KvbwU DNA -†Z Abycw ̄’Z? K GwWwbb L ̧qvwbb M BDivwmj N mvB‡Uvwmb 22. wk÷G`i Õ·Ó¡ `†wÓ¡i b~ ̈bZg `ƒiZ1⁄2 KZ? K 25 †mw›UwgUvi L 20 †mw›UwgUvi M 10 †mw›UwgUvi N 5 †mw›UwgUvi 23. †Kvb Lv` ̈ cvK ̄’wj‡Z GwmwWwU Kgv‡Z mvnvh ̈ K‡i? K Lvwj †c‡U d‡ji im †L‡j L †ewk Pwe©hy3 Lvevi †L‡j M Av`v-Pv cvb Ki‡j N gmjvhy3 Lvevi †L‡j 24. gwZ wgqvi RwgGZ dmj fvGjv bv nIqvq wZwb GKRb K...wlwe‡`i civg‡k© Rwgi gvwU cixÿv Kivb| cixÿv‡Z gvwU‡Z cÖ‡qvRbxq Dcv`vb K ̈vjwmqvg I g ̈vM‡bwmqvg cvIqv hvq bv| DwjøwLZ gvwUi pH KZ? K 9.5 Gi †ewk L 7 Gi KvQvKvwQ M 6.6 Gi KvQvKvwQ N 3 Gi Kg 25. i‡3i †Kvb A ̄^vfvweK Ae ̄’vi Kvi‡Y †jvwnZ i3 KwYKv ̄^vfvwe‡Ki Zzjbvq e„w× cvq? K cwjmvBw_wgqv L A ̈vwbwgqv M wjD‡Kwgqv N cvicyiv n wb‡Pi wewμqvwU jÿ Ki Ges 26 I 27 bs cÖ‡kœi DËi `vI : Na2CO3 + HCl 3⁄4® A + H2O + CO2 26. DÏxc‡K A †hŠMwU Kx? K GwmW L ÿvi M ÿviK N jeY 27. wewμqK wØZxq †hŠMwU e ̈en„Z nq- i. Lv` ̈`ae ̈ nR‡g ii. mvi ˆZwii Dcv`vb wn‡m‡e iii. _vjvevmb cwi®‹viK wn‡m‡e wb‡Pi †KvbwU mwVK? K i I ii L i I iii M ii I iii N i, ii I iii 28. †KvbwU e ̈vUvwii cÖZxK? K L M N 29. ˆKvb gvwU Rjve«¬Zv m†wÓ¡GZ evav ˆ`q? K †`v-Auvk gvwU L cwj gvwU M Kv`v gvwU N †e‡j gvwU 30. cÖvK...wZK cÖvwYR Zš‘i g‡a ̈ †KvbwU me‡P‡q k3 I `xN©? K ckg L †ikg M †iqb N bvBjb 1 KLMN 2 KLMN 3 KLMN 4 KLMN 5 KLMN 6 KLMN 7 KLMN 8 KLMN 9 KLMN10 KLMN 11 KLMN 12 KLMN13 KLMN14 KLMN 15 KLMN 16 KLMN17 KLMN18 KLMN19 KLMN20 KLMN Self test 21 KLMN22 KLMN23 KLMN24 KLMN 25 KLMN 26 KLMN27 KLMN28 KLMN29 KLMN30 KLMN "--------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- 1 L 2 M 3 L 4 N 5 K 6 K 7 L 8 M 9 L 10 L 11 K 12 N 13 M 14 L 15 K 16 N 17 K 18 K 19 M 20 M 21 M 22 N 23 M 24 N 25 K 26 N 27 K 28 N 29 N 30 L
†mU : L 4 Kzwgjøv †evW© 2020 welq ˆKvW : 1 2 7 mgq-30 wgwbU weÁvb eûwbe©vPwb Afxÿv c~Y©gvb-30 [we‡kl `aóe ̈ : mieivnK...Z eûwbe©vPwb Afxÿvi DËic‡Î cÖ‡kœi μwgK b¤^‡ii wecix‡Z cÖ`Ë eY©msewjZ e„Ëmg~n n‡Z mwVK/ m‡e©vrK...ó Dˇii e„ËwU ej c‡q›U Kjg Øviv m¤ú~Y© fivU Ki| cÖwZwU cÖ‡kœi gvb 1| cÖkœc‡Î †Kv‡bv cÖKvi `vM/wPý †`Iqv hv‡e bv|] 1. †KvbwU †j‡Ýi ÿgZvi GmAvB GKK? K wgUvi/†m‡KÛ L IqvU/†m‡KÛ M †iwWqvb/wgUvi N wK. wg./NÈv 2. †KvbwU cÖvK...wZK cwjgvi? K †iwRb L wcwfwm M wmé N ev‡KjvBU 3. cÖvK...wZK msiÿYkxjZvi †KŠkj n‡jv- i. 5wU kv‡U©i cwie‡Z© 2wU kvU© e ̈envi Kiv ii. evRv‡ii c ̈v‡KU evi evi μq Kiv iii. cyivZb kvwo w`‡q Kuv_v ˆZwi Kiv wb‡Pi †KvbwU mwVK? K i I ii L i I iii M ii I iii N i, ii I iii n wb‡Pi DÏxcKwU co Ges 4 I 5 bs cÖ‡kœi DËi `vI : myg‡bi eqm 32 eQi| Zvi IRb 55 †KwR| B`vwbs Zvi †Vuv‡Ui `ycv‡k dvUj †`Lv hv‡”Q| gy‡L I wR‡f Nv| GQvov Zvi Z¡KI LmL‡m n‡q hv‡”Q| 4. myg‡bi †`‡n i‡3i cwigvY ̄^vfvweKfv‡e KZ wjUvi _vKv DwPZ? K 4.4 wjUvi L 2.71 wjUvi M 1.71 wjUvi N .87 wjUvi 5. myg‡bi †Kvb Lv` ̈ ̧‡jv †ewk LvIqv cÖ‡qvRb? K hK...Z, AvUv I `ya L `ya, wWg I ev`vg M hK...Z, `ya I A1⁄4zwiZ exR N `ya, gvQ I gvsm 6. †KvbwU `ye©j GwmW? K HNO3 L H2SO4 M H2CO3 N HCl 7. wm‡g›U ˆZwii KuvPvgvj †KvbwU? K g ̈vM‡bUvBU L wRcmvg M †KvqvU©R N gvBKv 8. BwmwR Kiv hvq- i. nvU© A ̈vUvK n‡q _vK‡j ii. i3bvjx eøK n‡j iii. n„rwc‡Ði AvKvi eo n‡q _vK‡j wb‡Pi †KvbwU mwVK? K i I ii L i I iii M ii I iii N i, ii I iii 9. †Kvb Zš‘ Ôjy‡gbÕ bvgK c`v‡_© c~Y© _v‡K? K ckg L †ikg M †iqb N Zzjv 10. †μv‡gv‡Rv‡gi †cÖvwUb †KvbwU? K ̧qvwbb L wn‡÷vb M _vBwgb N mvB‡Uvwmb 11. GKwU AeZj †j‡Ýi †dvKvm `~iZ¡ 50cm| †j‡ÝwUi ÿgZv KZ? K + D L - D M + 2D N - 2D 12. iÚiGm Lv`Åmvi wnGmGe DcwÕ©Z ^vGK ˆKvbwU? K A ̈vwg‡bv GwmW L A ̈v‡gvwbqv M †Kv‡j‡÷ij N A ̈vjeywgb 13. †KvbwU mshy3 Zv‡ii cÖZxK? K L M N n wb‡Pi DÏxc‡Ki Av‡jv‡K 14 I 15 bs cÖ‡kœi DËi `vI : cwj mßg †kÖwYi QvÎx| B`vwbs †m AwaKvsk mgq Avqbvi mvg‡b GKvKx e‡m _v‡K| Zvi K_vevZ©vq I AvPi‡Y cwieZ©b cwijwÿZ n‡”Q| ZvQvov †m GLb cwicvwU _vK‡Z fv‡jvev‡m| 14. cwji Giƒc cwieZ©‡bi Rb ̈ `vqx- i. B‡÷av‡Rb ii. cÖ‡R‡÷ib iii. †U‡÷v‡÷ib wb‡Pi †KvbwU mwVK? K i I ii L i I iii M ii I iii N i, ii I iii 15. cwji ‰ eqGm Avi Kx Š`wnK cwieZÆb nGZ cvGi? K eyK I Kuva PIov nIqv L Mjvi ̄^i †gvUv nIqv M †Kvg‡ii nvo †gvUv nIqv N ̄^i f1⁄2 nIqv 16. ̄§vU© †dv‡bi †ÿ‡Î cÖ‡hvR ̈- i. mivmwi B›Uvi‡b‡Ui mv‡_ hy3 n‡Z cv‡i ii. j ̈vcU‡ci weKí wn‡m‡e KvR Kiv hvq iii. me ai‡bi Z_ ̈ cvVv‡bv hvq wb‡Pi †KvbwU mwVK? K i I ii L i I iii M ii I iii N i, ii I iii 17. ˆKvb Lv`Å Dcv`vbwU ‰wmwWwU wbwÓ ̃q KiGZ cvGi? K wcuqvR L imyb M Avjy N gwiP 18. 60 Iqv‡Ui 3wU I 40 Iqv‡Ui 2wU evj¦ cÖwZw`b 5 NÈv K‡i R¡vjv‡j GwcÖj gv‡m KZ we`y ̈r LiP n‡e? K 39 BDwbU L 100 BDwbU M 240 BDwbU N 260 BDwbU n wb‡Pi DÏxc‡Ki Av‡jv‡K 19 I 20 bs cÖ‡kœi DËi `vI : iwb mvgvb ̈ cvwbhy3 wKQy gvwU wb‡q Av1⁄2yj w`‡q Nl‡j gm„Y Abyfe Kij Ges †`Lj GwU nv‡Zi mv‡_ †j‡M Av‡Q| 19. iwb nv‡Z Kx gvwU wb‡qwQj? K evjy gvwU L cwj gvwU M Kv`v gvwU N †`v-Auvk gvwU 20. iwbi cixwÿZ gvwU‡Z- i. †KvqvU©R _v‡K ii. ˆRe c`v_© _v‡K iii. fv‡jv dmj Drcbœ nq wb‡Pi †KvbwU mwVK? K i I ii L i I iii M ii I iii N i, ii I iii 21. ˆewk¦K DòZvi g~j KviY- i. hvbevnb ii. `vevbj iii. wmGdwm wb‡Pi †KvbwU mwVK? K i I ii L i I iii M ii I iii N i, ii I iii 22. †Uwjwfk‡b wfwWI cvVv‡Z n‡j cÖwZ †m‡K‡Û KqwU w ̄’i Qwe cvVv‡Z nq? K 20wU L 25wU M 30wU N 35wU 23. wbivc` WavBwfs-Gi †ÿ‡Î cÖ‡qvRb- i. †gvevBj †dvb ii. wfD wgii iii. wmU‡eë wb‡Pi †KvbwU mwVK? K i I ii L i I iii M ii I iii N i, ii I iii 24. `uv‡Zi K ̈vwfwU †ei Kivi Rb ̈ †KvbwU e ̈envi Kiv nq? K G·-†i L wmwU ̄‹ ̈vb M GgAviAvB N Avëavm‡bvMÖvwd 25. cwicvKK...Z Lv` ̈ †kvwlZ n‡q †`n‡Kv‡li †Kv_vq ms‡hvwRZ nq? K mvB‡UvcøvR‡g L †cÖv‡UvcøvR‡g M gvB‡UvKwÛaqvq N †KvlMnŸ‡i 26. GK wKDweK wgUvi cvwbi fi KZ? K 10 †KwR L 100 †KwR M 1000 †KwR N 10000 †KwR 27. †KvbwU †gŠwjK ej? K gnvKl© ej L ̄úk© ej M A ̄úk© ej N †PŠ¤^K ej 28. mvaviYZ Kvj‰ekvLx So nq KLb? K gvP©-GwcÖj L GwcÖj-†g M †g-Ryb N Ryb-RyjvB 29. mvaviYZ KZ eQi eq‡mi g‡a ̈ †g‡q‡`i FZzmÖve ïiæ nq? K 7 - 10 eQi L 8 - 12 eQi M 9 - 14 eQi N 10 - 17 eQi 30. cvwb‡Z cÖPzi k ̈vIjv Rš§vq- i. dm‡dU Lye †e‡o †M‡j ii. bvB‡Uav‡Rb Lye †e‡o †M‡j iii. Av‡m©wbK Lye †e‡o †M‡j wb‡Pi †KvbwU mwVK? K i I ii L i I iii M ii I iii N i, ii I iii 1 KLMN 2 KLMN 3 KLMN 4 KLMN 5 KLMN 6 KLMN 7 KLMN 8 KLMN 9 KLMN10 KLMN 11 KLMN 12 KLMN13 KLMN14 KLMN 15 KLMN 16 KLMN17 KLMN18 KLMN19 KLMN20 KLMN Self test 21 KLMN22 KLMN23 KLMN24 KLMN 25 KLMN 26 KLMN27 KLMN28 KLMN29 KLMN30 KLMN "--------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- 1 M 2 M 3 L 4 K 5 M 6 M 7 L 8 L 9 N 10 L 11 N 12 K 13 L 14 K 15 M 16 N 17 M 18 K 19 L 20 N 21 N 22 L 23 M 24 K 25 L 26 M 27 K 28 L 29 N 30 K